Exam 6 Physics Numbers 1-5 2016-2017
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- 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 in 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 experiences centripetal acceleration directed toward the center of motion.
- C.
A ball whirled in a circular motion experiences 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.
Questions: 5 | Attempts: 63 | Last updated: Mar 3, 2017
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