Circular motion of a particle while attached to a string centripetal acceleration is provided by _.
Correct answer: A. Tension in string
- A. Tension in string
- B. Gravitational force
- C. Normal force
- D. None of these
Explanation
Correct Option:AIn circular motion, the centripetal acceleration is provided by the tension in the string (or any other force acting towards the center of the circular path). The tension in the string provides the inward force necessary to keep the particle moving in a circular 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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