Astring is attached to the rear-view mirror of a car. a ball is hanging on the other end of the
string. the car is driving along a circular path, at a constant speed. which of the following lists
gives all of the forces directly acting on the ball?
a. tension
b. tension and gravity
c. tension and centripetal force
d. tension, gravity and centripetal force
e. tension, gravity, centripetal force and friction

E. tension, gravity, centripetal force and friction

Explanation:

The forces acting on the ball are:

tension: caused  by the string on wich the ball hangs.

gravity: this force is always acting on any object on earth.

centripetal force: due to the circular path the car follows, the ball also feels this centripetal force.

friction: the air represents an obstruction to the movement, so this is another of the forces that acts on the ball.

no

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