A String Is Attached to the Rear-View Mirror of a Car.A

question 7

Multiple Choice

A string is attached to the rear-view mirror of a car.A ball is hanging at the other end of the string.The car is driving around in a circle,at a constant speed.Which of the following lists gives all of the forces directly acting on the ball?

• A) tension and gravity
• B) tension
• C) tension, gravity, and the centripetal force
• D) tension, gravity, the centripetal force, and friction