# An object with a mass of #4 kg# is revolving around a point at a distance of #2 m#. If the object is making revolutions at a frequency of #9 Hz#, what is the centripetal force acting on the object?

##### 1 Answer

Apr 18, 2018

The centripetal force is

#### Explanation:

The centripetal force is

The mass of the object is

The radius of the circle is

The frequency of rotation is

The angular velocity is

Therefore,

the centripetal force is