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

10 N

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20 N

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30 N

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40 N

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Solution

The correct option is B
20 N

Centripetal force $= m r ω^{2} = 5 \times 1 \times (2)^{2} = 20 N$

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A body of mass 5 kg is moving in a circle of radius 1mwith an angular velocity of 2 radian/sec. The centripetal force is

500 g

\frac{10}{π^{2}} cm

2 π rad/s

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