Kinematics Question 741

Question: A body of mass 5 kg is moving in a circle of radius 1m with an angular velocity of 2 radian/sec. The centripetal force is [AIIMS 1998]

Options:

A) 10 N

B) 20 N

C) 30 N

D) 40 N

Show Answer

Answer:

Correct Answer: B

Solution:

Centripetal force=mrω2=5×1×(2)2=20N



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