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Question (31)

QN003481

A cyclist moving on a straight road stops pedalling and gradually slows down because:

(A) Balanced forces act
(B) Unbalanced frictional force acts
(C) Gravity disappears
(D) Air pressure increases infinitely

Correct Answer: B

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Question (32)

QN003482

Two opposite forces of 90 N each act on a box. The box is initially at rest. It will:

(A) Move rightward
(B) Move leftward
(C) Remain at rest
(D) Rotate continuously

Correct Answer: C

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Question (33)

QN003483

A net force acting on an object is 0 N. Which statement is true?

(A) Object must be at rest
(B) Object cannot move
(C) Object may remain at rest or move uniformly
(D) Object accelerates continuously

Correct Answer: C

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Question (34)

QN003484

A force of 32 N northward and 18 N southward act simultaneously. Resultant force equals:

(A) 50 N northward
(B) 14 N northward
(C) 14 N southward
(D) 50 N southward

Correct Answer: B

Explanation:

32 − 18 = 14 N northward.

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Question (35)

QN003485

In tug of war, if one team suddenly pulls harder, the rope moves because:

(A) Forces become balanced
(B) Net force becomes zero
(C) Forces become unbalanced
(D) Gravity increases

Correct Answer: C

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Question (36)

QN003486

Which pair represents balanced forces?

(A) 40 N east and 20 N west
(B) 15 N north and 15 N south
(C) 70 N upward and 20 N downward
(D) 25 N left and 10 N right

Correct Answer: B

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Question (37)

QN003487

An object under balanced forces:

(A) Cannot change shape
(B) Has zero resultant force
(C) Must be stationary
(D) Must move in circular path

Correct Answer: B

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Question (38)

QN003488

A car experiences 4000 N driving force and 3500 N frictional force. Net force is:

(A) 7500 N
(B) 500 N forward
(C) 500 N backward
(D) 4000 N backward

Correct Answer: B

Explanation:

4000 − 3500 = 500 N forward.

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Question (39)

QN003489

Why is it difficult to push a heavy box initially?

(A) Balanced forces are absent
(B) Static friction opposes motion
(C) Gravity acts upward
(D) No force acts

Correct Answer: B

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Question (40)

QN003490

A body moving uniformly in a straight line has:

(A) Unbalanced force acting
(B) Balanced forces acting
(C) Infinite acceleration
(D) No gravitational force

Correct Answer: B

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Question (31)

A cyclist moving on a straight road stops pedalling and gradually slows down because:

Explanation:

Link:

Question (32)

Two opposite forces of 90 N each act on a box. The box is initially at rest. It will:

Explanation:

Link:

Question (33)

A net force acting on an object is 0 N. Which statement is true?

Explanation:

Link:

Question (34)

A force of 32 N northward and 18 N southward act simultaneously. Resultant force equals:

Explanation:

Link:

Question (35)

In tug of war, if one team suddenly pulls harder, the rope moves because:

Explanation:

Link:

Question (36)

Which pair represents balanced forces?

Explanation:

Link:

Question (37)

An object under balanced forces:

Explanation:

Link:

Question (38)

A car experiences 4000 N driving force and 3500 N frictional force. Net force is:

Explanation:

Link:

Question (39)

Why is it difficult to push a heavy box initially?

Explanation:

Link:

Question (40)

A body moving uniformly in a straight line has:

Explanation:

Link:

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