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Question (31)

QN003431

If two equal forces act in the same direction, the net force becomes:

(A) Zero
(B) Half of one force
(C) Double of one force
(D) Equal to one force only

Correct Answer: C

Explanation:

Equal forces in same direction are added.

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Question (32)

QN003432

A force of 45 N eastward and another force of 20 N westward act on an object. Resultant force is:

(A) 65 N eastward
(B) 25 N eastward
(C) 25 N westward
(D) 65 N westward

Correct Answer: B

Explanation:

Opposite forces are subtracted.

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Question (33)

QN003433

Which quantity is similar to force in requiring both magnitude and direction?

(A) Mass
(B) Temperature
(C) Velocity
(D) Density

Correct Answer: C

Explanation:

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Question (34)

QN003434

A student pulls a spring balance and it shows 8 N. This means:

(A) Mass is 8 kg
(B) Pulling force is 8 N
(C) Velocity is 8 m/s
(D) Acceleration is 8 m/s²

Correct Answer: B

Explanation:

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Question (35)

QN003435

When a box is pushed harder, it moves faster because:

(A) Friction increases velocity
(B) Larger force produces greater effect
(C) Gravity decreases
(D) Mass becomes zero

Correct Answer: B

Explanation:

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Question (36)

QN003436

In the activity with coins and rubber band, the coins finally stop because of:

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

Correct Answer: C

Explanation:

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Question (37)

QN003437

On which surface would coins travel the maximum distance?

(A) Rough cement floor
(B) Wooden table
(C) Polished marble floor
(D) Sandpaper surface

Correct Answer: C

Explanation:

Smoother surfaces offer less friction.

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Question (38)

QN003438

A force of 70 N acts forward while friction of 55 N acts backward. Net force is:

(A) 125 N forward
(B) 15 N forward
(C) 15 N backward
(D) 125 N backward

Correct Answer: B

Explanation:

70 − 55 = 15 N forward.

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Question (39)

QN003439

The normal force on an object placed on a floor acts:

(A) Horizontally
(B) Downward
(C) Upward perpendicular to surface
(D) Along direction of motion

Correct Answer: C

Explanation:

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Question (40)

QN003440

Which statement is true for balanced forces?

(A) They always produce motion
(B) They cannot change shape
(C) Their net effect is zero
(D) They act only on moving bodies

Correct Answer: C

Explanation:

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Question (31)

If two equal forces act in the same direction, the net force becomes:

Explanation:

Link:

Question (32)

A force of 45 N eastward and another force of 20 N westward act on an object. Resultant force is:

Explanation:

Link:

Question (33)

Which quantity is similar to force in requiring both magnitude and direction?

Explanation:

Link:

Question (34)

A student pulls a spring balance and it shows 8 N. This means:

Explanation:

Link:

Question (35)

When a box is pushed harder, it moves faster because:

Explanation:

Link:

Question (36)

In the activity with coins and rubber band, the coins finally stop because of:

Explanation:

Link:

Question (37)

On which surface would coins travel the maximum distance?

Explanation:

Link:

Question (38)

A force of 70 N acts forward while friction of 55 N acts backward. Net force is:

Explanation:

Link:

Question (39)

The normal force on an object placed on a floor acts:

Explanation:

Link:

Question (40)

Which statement is true for balanced forces?

Explanation:

Link:

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