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#