Chapters 4 & 5: Newton’s Second and Third Laws of Motion Flashcards

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1
Q

Which has the greater mass: a) an automobile battery; b) a king-size pillow; c) neither-both have the same.

A

a) an automobile battery.

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2
Q

If one object has twice as much mass as another object, it also has twice as much: a) inertia; b) volume; c) velocity; d) acceleration due to gravity; e) all of these.

A

a) inertia.

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3
Q

Whenever the net force on an object is zero, its acceleration: a) may be less than zero; b) may be more than zero; c) is zero.

A

c) is zero.

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4
Q

A player catches a ball. Consider the action force to be the impact of the ball against the player’s glove. The reaction to this force is the: a) force the glove exerts on the ball; b) player’s grip on the glove; c) muscular effort in the player’s arms; d) none of these.

A

a) force the glove exerts on the ball.

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5
Q

As a ball falls, the action force is the pull of Earth on the ball. The reaction force is the: a) pull of the ball’s mass on the Earth; b) acceleration of the ball; c) air resistance acting against the ball; d) none of these.

A

a) pull of the ball’s mass on the Earth.

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6
Q

The newton is a unit of

A

force.

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7
Q

In which case would you have the largest mass of gold? If your chunk of gold weighed 1 N on the: a) Earth; b) planet Jupiter; c) moon.

A

c) moon.

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8
Q

A rock weighs 30 N on Earth. A second rock weighs 30 N on the moon. Which of the two rocks has the greater mass?

A

The one on the moon.

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9
Q

An object’s weight may properly be expressed in units of

A

newtons.

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10
Q

An object is propelled along a straight-line path by a force. If the net force were doubled, the object’s acceleration would be: a) the same; b) twice as much; c) four times as much; d) half as much; e) none of these.

A

b) twice as much.

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