Question 1

A ball rolled after being kicked and slowed down until it stopped. Which of the following forces caused the ball to slow down?

Accepted Answer

Friction

Answer

magnetic

Answer

gravity

Answer

electrical

Question 2

Is friction between the floor and a cabinet present when a person pushes the cabinet?

Accepted Answer

Yes, because the bottom surface of the cabinet is in contact with the floor.

Answer

No, because the bottom surface of the cabinet is only rubbing against the floor.

Answer

No, because the bottom surface of the cabinet has nothing to do with the floor.

Answer

Yes, because the bottom surface of the cabinet does not rub against the floor.

Question 3

Which of the following is NOT TRUE about friction?

Accepted Answer

Friction occurs between non-rubbing surfaces.

Answer

Friction opposes motion of objects.

Answer

Friction causes moving objects to slow down and stop.

Answer

Friction acts in a direction opposite to the direction of an object’s motion.

Question 4

Which of the following can friction do to a glass of water on a table?

Accepted Answer

It prevents the glass from sliding.

Answer

It allows the glass to slide.

Answer

It moves the glass.

Answer

It does not affect the glass.

Question 5

Study the diagram, which force does B represents?

Accepted Answer

friction

Answer

magnetic

Answer

gravity

Answer

motion

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