February 26, 2017

Homework Help: Physics

Posted by Marisol on Tuesday, October 23, 2007 at 8:21pm.

A 1.0-kg ball on the end of a string is whirled at a constant speed of 2.0 m/s in a horizontal circle of radius 1.5 m. What is the work done by the centripetal force during one revolution?

I did:
F=1(2^2)/1.5=2.7 J

The answer that was provided was 0. Can someone explain the reasoning? Thanks

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions