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Question (21)

QN003421

A student applies 30 N force rightward on a table. Friction acts leftward with 30 N force. The table will:

(A) Accelerate rightward
(B) Accelerate leftward
(C) Remain at rest or move uniformly
(D) Move in circular path

Correct Answer: C

Explanation:

Net force is zero.

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Question (22)

QN003422

A net force acts on an object only when forces are:

(A) Balanced
(B) Equal
(C) Unbalanced
(D) Parallel

Correct Answer: C

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Question (23)

QN003423

A force of 100 N acts northward and another force of 60 N acts southward. Net force is:

(A) 160 N northward
(B) 40 N northward
(C) 40 N southward
(D) 160 N southward

Correct Answer: B

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Question (24)

QN003424

Which force acts upward on a floating object?

(A) Frictional force
(B) Electrostatic force
(C) Buoyant force
(D) Magnetic force

Correct Answer: C

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Question (25)

QN003425

The direction of net force when two opposite unequal forces act is:

(A) Along the smaller force
(B) Along the larger force
(C) Perpendicular to both forces
(D) Undefined

Correct Answer: B

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Question (26)

QN003426

A force of 9 N acts leftward and another of 13 N acts rightward. Resultant force is:

(A) 22 N rightward
(B) 4 N rightward
(C) 4 N leftward
(D) 22 N leftward

Correct Answer: B

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Question (27)

QN003427

If friction suddenly disappeared from the world, a moving bicycle would:

(A) Stop immediately
(B) Continue moving for long without slowing due to friction
(C) Move backward
(D) Explode

Correct Answer: B

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Question (28)

QN003428

Which statement is correct regarding force?

(A) Force has only unit
(B) Force has only direction
(C) Force has magnitude and direction
(D) Force has neither magnitude nor direction

Correct Answer: C

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Question (29)

QN003429

A 5 N force and a 3 N force act in opposite directions. The resultant force is:

(A) 8 N
(B) 2 N towards 5 N force
(C) 2 N towards 3 N force
(D) 15 N

Correct Answer: B

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Question (30)

QN003430

Which of the following is an example of force changing shape?

(A) Kicking a football
(B) Squeezing a lemon
(C) Pulling a cart
(D) Rowing a boat

Correct Answer: B

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Question (21)

A student applies 30 N force rightward on a table. Friction acts leftward with 30 N force. The table will:

Explanation:

Link:

Question (22)

A net force acts on an object only when forces are:

Explanation:

Link:

Question (23)

A force of 100 N acts northward and another force of 60 N acts southward. Net force is:

Explanation:

Link:

Question (24)

Which force acts upward on a floating object?

Explanation:

Link:

Question (25)

The direction of net force when two opposite unequal forces act is:

Explanation:

Link:

Question (26)

A force of 9 N acts leftward and another of 13 N acts rightward. Resultant force is:

Explanation:

Link:

Question (27)

If friction suddenly disappeared from the world, a moving bicycle would:

Explanation:

Link:

Question (28)

Which statement is correct regarding force?

Explanation:

Link:

Question (29)

A 5 N force and a 3 N force act in opposite directions. The resultant force is:

Explanation:

Link:

Question (30)

Which of the following is an example of force changing shape?

Explanation:

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