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A 10kg ball attached at the end of a rig...

A `10kg` ball attached at the end of a rigid massless rod of lengh `1m` rotates at constant speed in a horizontal circle of radius `0.5m` and period of `1.58s` , as shown in the figure. The force exerted by the rod on the ball is `(g=10ms^(-2))`

A

1.28 N

B

128

C

10 N

D

12.8 N

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The correct Answer is:
B
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PHYSICS GALAXY - ASHISH ARORA-WORK, ENERGY AND POWER-MCQ
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