--- title: "Meaning & Key Takeaway of: An object in motion tends to remain in…" description: "\"An object in motion tends to remain in motion along a straight line unless acted upon by an outside force.\" — Isaac Newton" image: "https://sms4smile.com/quotes/i/535/isaac-newton-1226_acted_an-object-in-motion-tends-to-remain-in-m_3135852.jpg" --- # An object in motion tends to remain in motion along a… ![“An object in motion tends to remain in motion along a straight line unless acted upon by an outside force.” quote by Isaac Newton](https://sms4smile.com/quotes/i/535/isaac-newton-1226_acted_an-object-in-motion-tends-to-remain-in-m_3135852.jpg) [Download](https://sms4smile.com/quotes/i/535/isaac-newton-1226_acted_an-object-in-motion-tends-to-remain-in-m_3135852.jpg) [Open image](https://sms4smile.com/quotes/i/535/isaac-newton-1226_acted_an-object-in-motion-tends-to-remain-in-m_3135852.jpg) > “An object in motion tends to remain in motion along a straight line unless acted upon by an outside force.” [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Objects keep moving in a straight line at constant speed unless a force changes that motion. **In simple terms:** Things stay as they are unless something pushes them. Key Takeaway Recognize forces that alter direction. Themes inertia force motion physics Mood analytical neutral Type scientific educational When to use this quote - engineering - sports - space travel - daily life Key Concepts Newtonian mechanics law of motion Questions to Reflect On - What forces are influencing your current path? - How can you apply resistance wisely? A Different Perspective External forces can be unpredictable, making control difficult. ★ ★ ★ ★ ★ No ratings yet [Acted](https://sms4smile.com/quotes/about/acted/) [Along](https://sms4smile.com/quotes/about/along/) [Force](https://sms4smile.com/quotes/about/force/) [Line](https://sms4smile.com/quotes/about/line/) [Motion](https://sms4smile.com/quotes/about/motion/) [Motion Straight](https://sms4smile.com/quotes/about/motion-straight-1537830/) [Motion Tends](https://sms4smile.com/quotes/about/motion-tends-569183/) [Object](https://sms4smile.com/quotes/about/object/) [Object Motion](https://sms4smile.com/quotes/about/object-motion-5566429/) [Outside](https://sms4smile.com/quotes/about/outside/) [Remain](https://sms4smile.com/quotes/about/remain/) [Straight](https://sms4smile.com/quotes/about/straight/) [Straight line](https://sms4smile.com/quotes/about/straight-line/) [Tends](https://sms4smile.com/quotes/about/tends/) [Unless](https://sms4smile.com/quotes/about/unless/) ## Related quotes > [“Newton's First Law of Motion states: an object at rest tends to stay at rest while an object in motion tends to stay in…](https://sms4smile.com/quotes/mike-buffington/newton-s-first-law-of-motion-states-an-object-at-rest-tends-to-stay/) [Mike Buffington](https://sms4smile.com/quotes/author/mike-buffington/) > [An object that is at rest will tend to stay at rest. An object that is in motion will tend to stay in motion.](https://sms4smile.com/quotes/isaac-newton/an-object-that-is-at-rest-will-tend-to-stay-at-rest-an-object-that-is/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Every body persists in a state of rest or of uniform motion in a straight line, unless it is compelled to change that state…](https://sms4smile.com/quotes/isaac-newton/every-body-persists-in-a-state-of-rest-or-of-uniform-motion-in-a/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [A body in motion tends to stay in motion unless acted on by an outside force.](https://sms4smile.com/quotes/isaac-newton/a-body-in-motion-tends-to-stay-in-motion-unless-acted-on-by-an/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [I do not believe in eternal progress, that we are growing on ever and ever in a straight line. It is too nonsensical to…](https://sms4smile.com/quotes/swami-vivekananda/i-do-not-believe-in-eternal-progress-that-we-are-growing-on-ever-and/) [Swami Vivekananda](https://sms4smile.com/quotes/author/swami-vivekananda/) > [Every body continues in its state of rest or uniform motion in a straight line, except insofar as it doesn't.](https://sms4smile.com/quotes/arthur-eddington/every-body-continues-in-its-state-of-rest-or-uniform-motion-in-a/) [Arthur Eddington](https://sms4smile.com/quotes/author/arthur-eddington/) > [There is no motion in a straight line. A straight line infinitely projected becomes a circle.](https://sms4smile.com/quotes/swami-vivekananda/there-is-no-motion-in-a-straight-line-a-straight-line-infinitely/) [Swami Vivekananda](https://sms4smile.com/quotes/author/swami-vivekananda/) > [For there's no motion That tends to vice in man, but I affirm It is the woman's part.](https://sms4smile.com/quotes/william-shakespeare/for-there-s-no-motion-that-tends-to-vice-in-man-but-i-affirm-it-is/) [William Shakespeare](https://sms4smile.com/quotes/author/william-shakespeare/) > [“A body in motion tends to stay in motion. (reebok,chiat/day.)Just do it. (Nike, Weiden and Kennedy.)Dammit something just isn't right. (Me, to my bathroom…](https://sms4smile.com/quotes/augusten-burroughs/a-body-in-motion-tends-to-stay-in-motion-reebok-chiat-day-just-do-it/) [Augusten Burroughs](https://sms4smile.com/quotes/author/augusten-burroughs/) > [The words carry their own momentum. A confession in motion tends to stay in motion. Newton's first law of jealousy.](https://sms4smile.com/quotes/erica-jong/the-words-carry-their-own-momentum-a-confession-in-motion-tends-to/) [Erica Jong](https://sms4smile.com/quotes/author/erica-jong/) > [What we can do should never by itself determine what we choose to do, yet this is the way technology tends to work.](https://sms4smile.com/quotes/richard-powers/what-we-can-do-should-never-by-itself-determine-what-we-choose-to-do/) [Richard Powers](https://sms4smile.com/quotes/author/richard-powers/) > [Exchange of breeding individuals between two populations tends to homogenize their gene pools.](https://sms4smile.com/quotes/peter-r-grant/exchange-of-breeding-individuals-between-two-populations-tends-to/) [Peter R. Grant](https://sms4smile.com/quotes/author/peter-r-grant/) > [Stand-up comedy is a very hard thing on the spirit. There are people who transcend it, like Jack Benny and Steve Martin, but in…](https://sms4smile.com/quotes/mike-nichols/stand-up-comedy-is-a-very-hard-thing-on-the-spirit-there-are-people/) [Mike Nichols](https://sms4smile.com/quotes/author/mike-nichols/) > [Everybody in the real world will agree - the moment a project is behind deadline, quality assurance tends to go out the window.](https://sms4smile.com/quotes/alan-cox/everybody-in-the-real-world-will-agree-the-moment-a-project-is-behind/) [Alan Cox](https://sms4smile.com/quotes/author/alan-cox/) > [No matter what you do, black lace tends to look a little Spanish.](https://sms4smile.com/quotes/nicole-miller/no-matter-what-you-do-black-lace-tends-to-look-a-little-spanish/) [Nicole Miller](https://sms4smile.com/quotes/author/nicole-miller/) ## More by Isaac Newton > [The same law takes place in a system, consisting of many bodies, as in one single body, with regard to their persevering in their…](https://sms4smile.com/quotes/isaac-newton/the-same-law-takes-place-in-a-system-consisting-of-many-bodies-as-in/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [I have been much amused at ye singular phenomena resulting from bringing of a needle into contact with a piece of amber or resin…](https://sms4smile.com/quotes/isaac-newton/i-have-been-much-amused-at-ye-singular-phenomena-resulting-from/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [No great discovery was ever made without a bold guess.](https://sms4smile.com/quotes/isaac-newton/no-great-discovery-was-ever-made-without-a-bold-guess/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [I keep the subject of my inquiry constantly before me, and wait till the first dawning opens gradually, by little and little, into a…](https://sms4smile.com/quotes/isaac-newton/i-keep-the-subject-of-my-inquiry-constantly-before-me-and-wait-till/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Philosophy is such an impertinently litigious lady that a man had as good be engaged in lawsuits as have to do with her.](https://sms4smile.com/quotes/isaac-newton/philosophy-is-such-an-impertinently-litigious-lady-that-a-man-had-as/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Do not Bodies act upon Light at a distance, and by their action bend its Rays; and is not this action (caeteris paribus) \[all…](https://sms4smile.com/quotes/isaac-newton/do-not-bodies-act-upon-light-at-a-distance-and-by-their-action-bend/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [God in the beginning formed matter in solid, massy, hard, impenetrable, movable particles, of such sizes and figures, and with such other properties, and…](https://sms4smile.com/quotes/isaac-newton/god-in-the-beginning-formed-matter-in-solid-massy-hard-impenetrable/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [ I am ashamed to tell you to how many figures I carried these calculations \[of Pi\], having no other business at the time ](https://sms4smile.com/quotes/isaac-newton/i-am-ashamed-to-tell-you-to-how-many-figures-i-carried-these/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Hypotheses non fingo. I frame no hypotheses.](https://sms4smile.com/quotes/isaac-newton/hypotheses-non-fingo-i-frame-no-hypotheses/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [The Ignis Fatuus is a vapor shining without heat.](https://sms4smile.com/quotes/isaac-newton/the-ignis-fatuus-is-a-vapor-shining-without-heat/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Blind metaphysical necessity, which is certainly the same always and every where, could produce no variety of things. All that diversity of natural things…](https://sms4smile.com/quotes/isaac-newton/blind-metaphysical-necessity-which-is-certainly-the-same-always-and/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [You sometimes speak of gravity as essential and inherent to matter. Pray do not ascribe that notion to me, for the cause of gravity…](https://sms4smile.com/quotes/isaac-newton/you-sometimes-speak-of-gravity-as-essential-and-inherent-to-matter/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [There are more sure marks of authenticity in the Bible than in any profane history.](https://sms4smile.com/quotes/isaac-newton/there-are-more-sure-marks-of-authenticity-in-the-bible-than-in-any/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [Therefore to the same natural effects we must, as far as possible, assign the same causes.](https://sms4smile.com/quotes/isaac-newton/therefore-to-the-same-natural-effects-we-must-as-far-as-possible/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) > [In scripture we are told of some trusting in God and others trusting in idols, and that God is our refuge, our strength, our…](https://sms4smile.com/quotes/isaac-newton/in-scripture-we-are-told-of-some-trusting-in-god-and-others-trusting/) [Isaac Newton](https://sms4smile.com/quotes/author/isaac-newton/) [Explore all 266 Isaac Newton quotes ](https://sms4smile.com/quotes/author/isaac-newton/) ## More Acted quotes > [I never really acted at school. It was doing small parts on TV that really got me started.](https://sms4smile.com/quotes/freddie-highmore/i-never-really-acted-at-school-it-was-doing-small-parts-on-tv-that/) [Freddie Highmore](https://sms4smile.com/quotes/author/freddie-highmore/) > [I've acted for as long as I can remember, really.](https://sms4smile.com/quotes/ella-purnell/i-ve-acted-for-as-long-as-i-can-remember-really/) [Ella Purnell](https://sms4smile.com/quotes/author/ella-purnell/) > [It's rare to get a really truly wonderfully written, acted and produced sci-fi show, period.](https://sms4smile.com/quotes/richard-hatch/it-s-rare-to-get-a-really-truly-wonderfully-written-acted-and/) [Richard Hatch](https://sms4smile.com/quotes/author/richard-hatch/) > [Asked at the hearing why she hadn't pressed the FBI more closely about what it knew, or didn't know, about domestic terrorist threats, Rice…](https://sms4smile.com/quotes/howard-fineman/asked-at-the-hearing-why-she-hadn-t-pressed-the-fbi-more-closely/) [Howard Fineman](https://sms4smile.com/quotes/author/howard-fineman/) > [When you acted like 'The Beast' I still saw 'The Prince' in you.](https://sms4smile.com/quotes/sonya-parker/when-you-acted-like-the-beast-i-still-saw-the-prince-in-you/) [SONYA PARKER](https://sms4smile.com/quotes/author/sonya-parker/) > [Show me a man who has acted, and who has not been the victim and slave of his action. What they have done commits…](https://sms4smile.com/quotes/ralph-waldo-emerson/show-me-a-man-who-has-acted-and-who-has-not-been-the-victim-and-slave/) [Ralph Waldo Emerson](https://sms4smile.com/quotes/author/ralph-waldo-emerson/) > [I am something of a ham. Yeah, I'd always been a writer. But in high school, I acted in plays. So it wasn't as…](https://sms4smile.com/quotes/frank-deford/i-am-something-of-a-ham-yeah-i-d-always-been-a-writer-but-in-high/) [Frank Deford](https://sms4smile.com/quotes/author/frank-deford/) > [“The way I acted...It wasn't you" "Oh, no. You're not even human. You don't get to use the It's not you, it's me line!”](https://sms4smile.com/quotes/melissa-landers/the-way-i-acted-it-wasn-t-you-oh-no-you-re-not-even-human-you-don-t/) [Melissa Landers](https://sms4smile.com/quotes/author/melissa-landers/) > [I never acted out with my actions to show people that I'm getting grown, you never see me with a cigarette, or see me…](https://sms4smile.com/quotes/bow-wow/i-never-acted-out-with-my-actions-to-show-people-that-i-m-getting/) [Bow Wow](https://sms4smile.com/quotes/author/bow-wow/) > [I think I'm one of those guys who was sort of always in comedy. I thought of myself - and other people seemed to…](https://sms4smile.com/quotes/andy-daly/i-think-i-m-one-of-those-guys-who-was-sort-of-always-in-comedy-i/) [Andy Daly](https://sms4smile.com/quotes/author/andy-daly/) > [It was all for the Games. How you acted. -Peeta Mellark](https://sms4smile.com/quotes/hunger-games/it-was-all-for-the-games-how-you-acted-peeta-mellark/) [Hunger Games](https://sms4smile.com/quotes/author/hunger-games/) > [I acted like Cary Grant for so long that I became Cary Grant](https://sms4smile.com/quotes/cary-grant/i-acted-like-cary-grant-for-so-long-that-i-became-cary-grant/) [Cary Grant](https://sms4smile.com/quotes/author/cary-grant/) > [The kinds of roles dogs fill can be hard to come by in human relationships. We touch the dog or the pet at whim.…](https://sms4smile.com/quotes/caroline-knapp/the-kinds-of-roles-dogs-fill-can-be-hard-to-come-by-in-human/) [Caroline Knapp](https://sms4smile.com/quotes/author/caroline-knapp/) > [I acted in 'Oomakkuyil' under Balu Mahendra's baton.](https://sms4smile.com/quotes/y-g-mahendran/i-acted-in-oomakkuyil-under-balu-mahendra-s-baton/) [Y. G. Mahendran](https://sms4smile.com/quotes/author/y-g-mahendran/) > [I really loved when I started doing '70s Show,' though I had never acted before, so it was a great training ground being on…](https://sms4smile.com/quotes/topher-grace/i-really-loved-when-i-started-doing-70s-show-though-i-had-never-acted/) [Topher Grace](https://sms4smile.com/quotes/author/topher-grace/) [Browse all 192 Acted quotes ](https://sms4smile.com/quotes/about/acted/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "An object in motion tends to remain in motion along a straight line unless acted upon by an outside force.", "creator": { "@type": "Person", "name": "Isaac Newton" }, "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "url": "https://sms4smile.com/quotes/isaac-newton/an-object-in-motion-tends-to-remain-in-motion-along-a-straight-line/", "about": { "@type": "Thing", "name": "Acted" }, "@id": "https://sms4smile.com/quotes/isaac-newton/an-object-in-motion-tends-to-remain-in-motion-along-a-straight-line/#quotation", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/535/isaac-newton-1226_acted_an-object-in-motion-tends-to-remain-in-m_3135852.jpg", "contentUrl": "https://sms4smile.com/quotes/i/535/isaac-newton-1226_acted_an-object-in-motion-tends-to-remain-in-m_3135852.jpg", "url": "https://sms4smile.com/quotes/i/535/isaac-newton-1226_acted_an-object-in-motion-tends-to-remain-in-m_3135852.jpg", "width": 1080, "height": 1080, "caption": "“An object in motion tends to remain in motion along a straight line unless acted upon by an outside force.” — Isaac Newton", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://sms4smile.com/" }, { "@type": "ListItem", "position": 2, "name": "Quotes", "item": "https://sms4smile.com/quotes/" }, { "@type": "ListItem", "position": 3, "name": "Isaac Newton", "item": "https://sms4smile.com/quotes/author/isaac-newton/" }, { "@type": "ListItem", "position": 4, "name": "An object in motion tends to...", "item": "https://sms4smile.com/quotes/isaac-newton/an-object-in-motion-tends-to-remain-in-motion-along-a-straight-line/" } ], "@id": "https://sms4smile.com/quotes/isaac-newton/an-object-in-motion-tends-to-remain-in-motion-along-a-straight-line/#breadcrumb" }, { "@type": "WebSite", "@id": "https://sms4smile.com/quotes/#website", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "publisher": { "@id": "https://sms4smile.com/quotes/#organization" } }, { "@type": "Organization", "@id": "https://sms4smile.com/quotes/#organization", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "logo": { "@type": "ImageObject", "url": "https://sms4smile.com/quotes/wp-content/themes/sq/assets/icons/icon-512.png", "width": 512, "height": 512 } } ] } ```