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Question (31)

QN003251

Line parallel to time axis in velocity–time graph indicates

(A) constant velocity
(B) zero velocity
(C) acceleration
(D) displacement

Correct Answer: A

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Question (32)

QN003252

A body starting from rest travels 32 m in 4 s. Acceleration equals

(A) 2 m/s²
(B) 4 m/s²
(C) 6 m/s²
(D) 8 m/s²

Correct Answer: B

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Question (33)

QN003253

Negative acceleration represents

(A) uniform motion
(B) retardation
(C) rest
(D) circular motion

Correct Answer: B

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Question (34)

QN003254

Equal slopes in velocity–time graphs indicate equal

(A) displacement
(B) acceleration
(C) velocity
(D) time

Correct Answer: B

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Question (35)

QN003255

A body covers 150 m in 10 s with constant velocity. Velocity equals

(A) 10 m/s
(B) 12 m/s
(C) 15 m/s
(D) 18 m/s

Correct Answer: C

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Question (36)

QN003256

Velocity changes from +10 m/s to –10 m/s in 5 s. Acceleration equals

(A) –4 m/s²
(B) 4 m/s²
(C) –2 m/s²
(D) 2 m/s²

Correct Answer: A

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Question (37)

QN003257

Speedometer of a vehicle measures

(A) displacement
(B) instantaneous speed
(C) average velocity
(D) acceleration

Correct Answer: B

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Question (38)

QN003258

Direction is absent in

(A) displacement
(B) velocity
(C) speed
(D) acceleration

Correct Answer: C

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Question (39)

QN003259

Motion depends on

(A) mass
(B) reference frame
(C) temperature
(D) shape

Correct Answer: B

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Question (40)

QN003260

Passenger sitting in a moving train is at rest relative to

(A) trees
(B) platform
(C) fellow passenger
(D) Earth’s centre

Correct Answer: C

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