Uniform Circular Motion AP Flashcards
Terms : Hide Images [1]
| 12946915966 | uniform circular motion | Objects moving in a circle with constant speed ; centripetal acceleration results from a change of direction; but there is no change in speed | 0 | |
| 12981443768 | angular acceleration | the change in angular velocity divided by the time needed to make the change; α=a/r |  | 1 |
| 12981424419 | angular velocity | rate of change of angular displacement with respect to time;ω = v/r |  | 2 |
| 12981434620 | angular displacement | the change in the angle as an object rotates |  | 3 |
| 12946915967 | tangent | A line in the plane of a circle that intersects the circle in exactly one point. | 4 | |
| 12946915968 | tangential velocity | is the linear speed of something moving along a circular path |  | 5 |
| 12946915969 | centripetal force | a force that acts on a body moving in a circular path and is directed toward the center around which the body is moving. |  | 6 |
| 12978006302 | centrifugal force | an apparent BUT FAKE force that acts outward on a body moving around a center, arising from the body's inertia. |  | 7 |
| 12946915972 | centripetal acceleration | acceleration toward the center of a curved or circular path | 8 | |
| 12946915973 | formula for centripetal acceleration |  | 9 | |
| 12946915974 | tension | A pulling force | 10 | |
| 12946915976 | free body diagram | a diagram showing all the forces acting on an object | 11 | |
| 12946915978 | weight | A measure of the force of gravity on an object | 12 | |
| 12946915979 | periodic motion | any motion that repeats at regular time intervals | 13 | |
| 12946915985 | Period (T) | the time of one rotation, measured in seconds | 14 | |
| 12946915986 | frequency | the rate at which something occurs or is repeated over a particular period of time or in a given sample; measured in Hertz, which is how many times per second something occurs |  | 15 |
| 12947839053 | linear velocity | v=rω |  | 16 |
| 12947847857 | instantaneous velocity | the speed and direction of an object at a particular instant | 17 | |
| 12978103255 | Coriolis effect | The fictitious force causing the apparent deflection of moving objects when viewed in a rotating frame of reference. Causes moving air and water to turn left in the southern hemisphere and turn right in the northern hemisphere due to Earth's hemisphere. |  | 18 |
| 12978151125 | Radians | the SI unit of measurement of the size of an angle. A complete circle is 2π radians. π radians = 180 degrees |  | 19 |
| 12981470821 | 2πf | formula for angular velocity | 20 | |
| 12981478029 | rotational velocity | a vector quantity; same as angular velocity | 21 | |
| 12981569919 | Foucault Pendulum | a freely swinging pendulum whose path appears to change in a predictable way, thus providing evidence for Earth's rotation |  | 22 |
| 15841820071 | tangential velocity | is the linear speed of something moving along a circular path. It's yet another synomyn |  | 23 |