# AP Physics: Circular Motion Questions! Trivia Quiz

5 Questions | Total Attempts: 83  Settings  .

• 1.
A ball is whirled on a string, then the string breaks. What causes the ball to move off in a straight line?
• A.

Centripetal acceleration

• B.

Centripetal force

• C.

Centrifugal force

• D.

Inertia

• 2.
When a car makes a sharp left turn, what causes the passengers to move toward the right side of the car?
• A.

Centripetal acceleration

• B.

Centripetal force

• C.

Centrifugal force

• D.

Inertia

• 3.
What term describes a force that causes an object to move in a circular path?
• A.

Circular force

• B.

Centripetal acceleration

• C.

Centripetal force

• D.

Centrifugal force

• 4.
A centripetal force acts
• A.

In the same direction as tangential speed.

• B.

In the direction opposite tangential speed.

• C.

Perpendicular to the plane of circular motion.

• D.

Perpendicular to tangential speed but on the same plane.

• 5.
Which of the following is due to inertia?
• A.

A ball whirled in a circular motion stays in one plane.

• B.

A ball whirled in a circular motion experience centripetal acceleration directed toward the center of motion.

• C.

A ball whirled in a circular motion experience a centripetal force directed toward the center of motion.

• D.

A ball whirled in a circular motion will move off in a straight line if the string breaks.

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