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NCAT - Practice Test - Physics - Rotational and Circular Motion Quiz

Attempt 10 MCQs on NCAT - Practice Test - Physics - Rotational and Circular Motion | Quiz 4

31. A wheel makes 600 revolutions in 1 minute. What is its frequency?



32. If frequency is 10 Hz, what is angular velocity?



33. A fan rotates at 20 Hz. What is its period?



34. What is the direction of centripetal force?



35. A 2 kg mass moves in a circle of radius 0.5 m with angular speed 6 rad/s. Find centripetal force.



36. A wheel turns through 10π radians in 5 seconds. Find average angular velocity.



37. A wheel starts from rest and reaches 20 rad/s in 4 s with constant α. Find angular displacement.



38. Which equation is the rotational analogue of v = u + at?



39. Angular velocity changes from 5 rad/s to 15 rad/s in 5 s. Find angular acceleration.



40. A wheel starts from rest with α=2 rad/s². Find angle rotated in 4 seconds.



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