An object with a mass of #6 kg# is revolving around a point at a distance of #4 m#. If the object is making revolutions at a frequency of #15 Hz#, what is the centripetal force acting on the object?

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Answer 1 · 2018-05-28T05:29:57

The centripetal force is #=213183.5N#

The centripetal force is

#F=mromega^2#

The mass of the object is

#m=6kg#

The radius of the circle is

#r=4m#

The frequency of rotation is

#f=15Hz#

The angular velocity is

#omega=2pif=2*pi*15=30pirads^-1#

Therefore,

the centripetal force is

#F=6*4*(30pi)^2=213183.5N#