{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='Changing Velocity | Forces \u0026amp; Motion | Physics | FuseSchool' data-url='/boclips/videos/625f65f881f80e68016a2f5c' data-video-url='/boclips/videos/625f65f881f80e68016a2f5c' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nChanging Velocity | Forces \u0026amp; Motion | Physics | FuseSchool\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eCREDITS Animation \u0026amp; Design: Joshua Thomas jtmotion101@gmail.com Narration: Dale Bennett Script: Bethan Parry, Keith Ross and Alistair Haynes Have you ever been on a merry-go-round in a carnival? As you are swinging around, you are...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eCREDITS Animation \u0026 Design: Joshua Thomas jtmotion101@gmail.com Narration: Dale Bennett Script: Bethan Parry, Keith Ross and Alistair Haynes Have you ever been on a merry-go-round in a carnival? As you are swinging around, you are actually undergoing circular motion. First of all, what’s the difference between velocity and speed? Speed is a measure of how far something travels, a distance, in a particular time For example, A car travelling at 25 m/s or a person jogging at 4 m/s are both measures of speed. Velocity is a speed in a particular direction. For example a van travelling north at 25 m/s and a raindrop moving down at 1 m/s. For each of these statements decide whether they are a measure of speed or velocity. When an object is moving in a circle at a constant speed, it has a certain velocity, v, which is at a tangent to the circle. At the same time, the mass is also accelerating towards the center of the circle. But you may be wondering, why is the object accelerating when the speed remains constant? To understand this, we must review the factors that cause velocity to change. As you know, a change in velocity results in acceleration from this equation. Acceleration equals the change in velocity over time. The two ways in which a velocity can change are: 1. A change in speed 2. A change in direction So when you’re moving in a circle at a constant speed, your velocity is constantly changing, because the direction you are moving in is also constantly changing. But you may be wondering… what actually causes the acceleration? As you know from Newton’s Second Law of Motion, the net force acting on an object is directly proportional to its acceleration. In the case of circular motion, the net force that causes this acceleration is called the centripetal force, and it is always directed towards the center of the circle. You can easily test this by attaching a ball to a string and swinging it round your head. The speed of the ball is constant but you need to keep pulling the string to make it go in a circle. What direction do you think the ball will follow if you suddenly let go of the string? Is it in the red direction or the blue? The ball will continue to travel in the same direction, so with the same velocity along the red direction. Try it yourselves and see! So that’s how velocity can change whilst speed remains the same; by changing direction and not speed. SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun \u0026 easy-to-understand videos in Chemistry, Biology, Physics, Maths \u0026 ICT. 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