An object with a mass of $7 kg$ is revolving around a point at a distance of $4 m$ . If the object is making revolutions at a frequency of $7 Hz$ , what is the centripetal force acting on the object?

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Answer 1 · 2017-04-27T12:01:01

The centripetal force is $=54164.4N$

The centripetal force is

$F=mromega^2$

The mass is $m=7kg$

The radius is $r=4m$

The angular velocity is $omega=2pif=2pi*7=14pirads^-1$

So,

The centripetal force is $F=7*4*(14pi)^2N$

$=54164.4N$

An object with a mass of 7 kg7 kg is revolving around a point at a distance of 4 m4 m. If the object is making revolutions at a frequency of 7 Hz7 Hz, what is the centripetal force acting on the object?