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# UCM 3

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### UCM 3

1. 1. Uniform Circular Motion
2. 2. Uniform Circular Motion <ul><li>- Describes motion in which an object moves at a constant speed along a circular path. </li></ul>
3. 3. But how does it work?
4. 4. <ul><li>Uniform circular motion is caused by the effect a force directed towards the center of the object that is spinning, the centripetal force. </li></ul>
5. 5. Acceleration
6. 6. <ul><li>Like the centripetal force, the acceleration is also always pointed towards the center. </li></ul>
7. 7. <ul><li>When an object changes direction, it accelerates, even if the velocity does not change. </li></ul>
8. 8. <ul><li>Therefore, we know that the object involved in uniform circular motion is always accelerating. </li></ul>
9. 10. <ul><li>The velocity of the object, unlike the centripetal force and acceleration, is not constantly pointed towards the center. </li></ul>
10. 11. <ul><li>In fact, the velocity of the object is always directed towards a different point. </li></ul>
11. 12. <ul><li>The velocity is always pointed tangent to the circle where the object is in its motion. </li></ul>
12. 13. The Equation For Centripetal Force
13. 14. F c=( m )( a c) <ul><li>Where: </li></ul><ul><li>F c = Centripetal Force </li></ul><ul><li>m= Mass Of Object </li></ul><ul><li>a c = Centripetal Acceleration </li></ul>
14. 15. <ul><li>I hope this PowerPoint helped you in your understanding of Uniform Circular Motion! </li></ul>