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Question (21)

QN003671

If object A exerts 120 N on object B, then object B exerts:

(A) 60 N on A
(B) 120 N on A opposite direction
(C) 240 N on A
(D) 0 N on A

Correct Answer: B

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Question (22)

QN003672

Which example best demonstrates Newton’s Third Law?

(A) Falling apple
(B) Car accelerating
(C) Bird flying in air
(D) Stone at rest

Correct Answer: C

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Question (23)

QN003673

A horse pulls a cart forward because:

(A) Horse applies force on cart
(B) Cart pulls horse stronger
(C) Ground provides reaction force
(D) Gravity increases

Correct Answer: C

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Question (24)

QN003674

Action and reaction forces never cancel because they:

(A) Are unequal
(B) Act at different times
(C) Act on different objects
(D) Have different units

Correct Answer: C

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Question (25)

QN003675

A force of 75 N acts downward on water by a swimmer. Water exerts reaction force:

(A) 75 N upward
(B) 150 N upward
(C) 75 N downward
(D) 0 N

Correct Answer: A

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Question (26)

QN003676

Which of the following moves due to Newton’s Third Law?

(A) Rocket
(B) Boat
(C) Swimmer
(D) All of these

Correct Answer: D

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Question (27)

QN003677

The action and reaction forces are directed:

(A) Same way
(B) Perpendicular
(C) Opposite ways
(D) Randomly

Correct Answer: C

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Question (28)

QN003678

A bat strikes a ball with 90 N force. The ball exerts on bat:

(A) 45 N
(B) 90 N opposite direction
(C) 180 N
(D) 0 N

Correct Answer: B

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Question (29)

QN003679

A person pushing a wall feels pain because:

(A) Gravity acts strongly
(B) Wall exerts equal reaction force
(C) Friction disappears
(D) Air pressure increases

Correct Answer: B

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Question (30)

QN003680

Rocket propulsion works even in space because:

(A) Air is present everywhere
(B) Newton’s Third Law does not need air
(C) Gravity is absent
(D) Friction pushes rocket

Correct Answer: B

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Question (21)

If object A exerts 120 N on object B, then object B exerts:

Explanation:

Link:

Question (22)

Which example best demonstrates Newton’s Third Law?

Explanation:

Link:

Question (23)

A horse pulls a cart forward because:

Explanation:

Link:

Question (24)

Action and reaction forces never cancel because they:

Explanation:

Link:

Question (25)

A force of 75 N acts downward on water by a swimmer. Water exerts reaction force:

Explanation:

Link:

Question (26)

Which of the following moves due to Newton’s Third Law?

Explanation:

Link:

Question (27)

The action and reaction forces are directed:

Explanation:

Link:

Question (28)

A bat strikes a ball with 90 N force. The ball exerts on bat:

Explanation:

Link:

Question (29)

A person pushing a wall feels pain because:

Explanation:

Link:

Question (30)

Rocket propulsion works even in space because:

Explanation:

Link:

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