A body of mass $5$ kg is moving in a circle of radius $1$ m with an angular velocity of $2$ rad/sec. Then the centripetal force will be

80 N

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30 N

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10 N

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20 N

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Solution

The correct option is A 20 N
Centripetal force $= m ω^{2} r =$ $5 \times 2 \times 2 \times 1$ = 20N

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Similar questions

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

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\frac{10}{π^{2}} cm

2 π rad/s

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2

4 {m s}^{- 1}

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