posted by jon .
A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that your drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball?
A) tension and the force of gravity
b) tension force of gravity and centripetal force
c) tension force of gravity and friction
d) tension only and how do you determine theanswer?