Question

a body of mass 5 kg is moving in a circle of radius one metre with an angular velocity of 2 Radian per second the centripetal force is​

Answer 1

Answer:

Centripetal force is 20 N

Explanation:

Centripetal force is

F = mv²/r    putting    v = r ω

F = m(r ω)²/r

F = m r ω²

F = 5 x 1 x 2²

F = 20 N

Answer 2

The centripetal force of the body is 20 N.

Explanation:

Given that,

Mass of the body, m = 5 kg

Angular velocity of the body, $\omega=2\ rad/s$

Radius of the circle, r = 1 m

As it moves in a circular path, the circular force acts on it. It is given by :

$F=mr\omega^2$

$F=5\times 1\times 2^2\\\\F=20\ N$

So, the centripetal force of the body is 20 N.

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