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Question (41)

QN003311

Rectangle under velocity–time graph with height 8 m/s and base 5 s gives displacement

(A) 13 m
(B) 20 m
(C) 40 m
(D) 80 m

Correct Answer: C

Explanation:

Area = velocity × time

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Question (42)

QN003312

Acceleration equals slope of v–t graph because acceleration is

(A) distance/time
(B) rate of change of velocity
(C) velocity squared
(D) displacement/time

Correct Answer: B

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Question (43)

QN003313

Intersection of two position–time graphs means objects have same

(A) velocity
(B) acceleration
(C) position at that instant
(D) displacement always

Correct Answer: C

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Question (44)

QN003314

Uniform retardation produces

(A) upward straight line
(B) downward straight line
(C) horizontal line
(D) curved graph

Correct Answer: B

Explanation:

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Question (45)

QN003315

Constant velocity motion has acceleration

(A) maximum
(B) decreasing
(C) zero
(D) infinite

Correct Answer: C

Explanation:

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Question (46)

QN003316

Curved position–time graph but straight v–t graph indicates

(A) constant velocity
(B) constant acceleration
(C) rest
(D) oscillation

Correct Answer: B

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Question (47)

QN003317

Motion graphs help identify nature of motion because they show

(A) force directly
(B) graphical variation with time
(C) mass variation
(D) energy change

Correct Answer: B

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Question (48)

QN003318

Instantaneous velocity from position–time graph equals

(A) total area
(B) slope at a point
(C) intercept
(D) graph length

Correct Answer: B

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Question (49)

QN003319

Velocity–time graph along time axis gives displacement

(A) zero
(B) maximum
(C) increasing
(D) undefined

Correct Answer: A

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Question (50)

QN003320

Graphical representation connects quantities such as

(A) mass and force
(B) position, velocity and acceleration with time
(C) energy and power
(D) temperature and heat

Correct Answer: B

Explanation:

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Question (41)

Rectangle under velocity–time graph with height 8 m/s and base 5 s gives displacement

Explanation:

Link:

Question (42)

Acceleration equals slope of v–t graph because acceleration is

Explanation:

Link:

Question (43)

Intersection of two position–time graphs means objects have same

Explanation:

Link:

Question (44)

Uniform retardation produces

Explanation:

Link:

Question (45)

Constant velocity motion has acceleration

Explanation:

Link:

Question (46)

Curved position–time graph but straight v–t graph indicates

Explanation:

Link:

Question (47)

Motion graphs help identify nature of motion because they show

Explanation:

Link:

Question (48)

Instantaneous velocity from position–time graph equals

Explanation:

Link:

Question (49)

Velocity–time graph along time axis gives displacement

Explanation:

Link:

Question (50)

Graphical representation connects quantities such as

Explanation:

Link:

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