A force which acts on an object moving in a circle and is directed towards the center of the circle is called:
Correct answer: B. Centripetal Force
- A. Bending Force
- B. Centripetal Force
- C. Centrifugal force
- D. None of these
Explanation
A 'centripetal force' is a force that makes a body follow a curved path. Its direction is always orthogonal to the motion of the body and towards the fixed point of the instantaneous center of curvature of the path.
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About Angular and Linear Quantities
Rotational motion relates angular displacement, angular velocity and angular acceleration to linear displacement, tangential velocity and tangential acceleration through the radius. Questions use radians, v equals r omega and tangential acceleration, while distinguishing tangential velocity from centripetal acceleration and angular quantities from their linear counterparts.
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