1. Which of the following statements best describes centripetal force?
A) It merely describes the direction of some other applied force.
B) It is a new force that only causes objects to change direction.
C) It acts to cause objects to move away from the center of a turn.
D) It is a sideways force that acts to move objects at constant velocity.
2. The centripetal force on a car going around a flat curve suddenly stops, due to the tires sliding across the road. Which statement best describes what would most likely happen to the car?
A) It swerves towards the center of the curve.
B) It would come to a stop.
C) It continues around the curve at a constant speed.
D) It travels in a straight line at a constant speed.
Next two questions
An object is being moved in a circular path as shown in Diagram 2-88.
4. Which of the vectors below best represents the direction of acceleration as it passes through point Z?
5. Which of the vectors below best represents the direction of the velocity as it passes through point Z?