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Question (41)

QN003441

A 90 N force eastward and a 120 N force westward act on a body. Net force equals:

(A) 210 N eastward
(B) 30 N eastward
(C) 30 N westward
(D) 210 N westward

Correct Answer: C

Explanation:

Net force acts towards larger force.

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Question (42)

QN003442

The magnitude of a force expresses its:

(A) Temperature
(B) Strength
(C) Density
(D) Direction only

Correct Answer: B

Explanation:

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Question (43)

QN003443

If the applied force becomes smaller than friction, an object will:

(A) Speed up
(B) Continue accelerating
(C) Not move forward
(D) Fly upward

Correct Answer: C

Explanation:

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Question (44)

QN003444

A force of 16 N acts southward while another force of 11 N acts northward. Resultant force is:

(A) 27 N southward
(B) 5 N southward
(C) 5 N northward
(D) 27 N northward

Correct Answer: B

Explanation:

Opposite forces are subtracted.

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Question (45)

QN003445

Which pair of forces are balanced?

(A) 12 N east and 7 N west
(B) 20 N north and 20 N south
(C) 15 N upward and 5 N downward
(D) 18 N left and 12 N left

Correct Answer: B

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Question (46)

QN003446

In the arm-wrestling example, the arm tilts toward the stronger player because:

(A) Balanced forces act
(B) Larger unbalanced force acts
(C) Gravity vanishes
(D) Friction becomes zero

Correct Answer: B

Explanation:

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Question (47)

QN003447

A box experiences forces 22 N rightward and 22 N leftward. The acceleration will be:

(A) Maximum
(B) Zero
(C) Infinite
(D) Negative only

Correct Answer: B

Explanation:

Equal opposite forces give zero net force.

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Question (48)

QN003448

Which statement about friction is correct?

(A) It always helps motion
(B) It always opposes motion or tendency of motion
(C) It acts upward only
(D) It acts only in liquids

Correct Answer: B

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Question (49)

QN003449

A 150 N force and a 90 N force act in the same direction. Net force is:

(A) 60 N
(B) 240 N
(C) 150 N
(D) 90 N

Correct Answer: B

Explanation:

Same direction forces are added.

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Question (50)

QN003450

Multiple forces may act on an object, but its motion depends on:

(A) Smallest force only
(B) Largest force only
(C) Average of forces
(D) Net force

Correct Answer: D

Explanation:

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Question (41)

A 90 N force eastward and a 120 N force westward act on a body. Net force equals:

Explanation:

Link:

Question (42)

The magnitude of a force expresses its:

Explanation:

Link:

Question (43)

If the applied force becomes smaller than friction, an object will:

Explanation:

Link:

Question (44)

A force of 16 N acts southward while another force of 11 N acts northward. Resultant force is:

Explanation:

Link:

Question (45)

Which pair of forces are balanced?

Explanation:

Link:

Question (46)

In the arm-wrestling example, the arm tilts toward the stronger player because:

Explanation:

Link:

Question (47)

A box experiences forces 22 N rightward and 22 N leftward. The acceleration will be:

Explanation:

Link:

Question (48)

Which statement about friction is correct?

Explanation:

Link:

Question (49)

A 150 N force and a 90 N force act in the same direction. Net force is:

Explanation:

Link:

Question (50)

Multiple forces may act on an object, but its motion depends on:

Explanation:

Link:

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