# An object with a mass of 5 kg is revolving around a point at a distance of 3 m. If the object is making revolutions at a frequency of 5 Hz, what is the centripetal force acting on the object?

##### 1 Answer
Apr 16, 2016

Mass $m = 5 k g$
frequency of rotation $n = 5 H z$
Radius of circular path $r = 3 m$
Angular velocity $w = 2 \pi \times n = 10 \pi \frac{r a d}{s}$
Centripetal force $= m {w}^{2} r = 5 \times 100 {\pi}^{2} \times 3 = 1500 {\pi}^{2} N$