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Question (41)

QN003261

Braking of a vehicle involves

(A) positive acceleration
(B) negative acceleration
(C) uniform velocity
(D) zero motion instantly

Correct Answer: B

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Question (42)

QN003262

Distance equals magnitude of displacement when motion is

(A) circular
(B) oscillatory
(C) straight line in one direction
(D) random

Correct Answer: C

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Question (43)

QN003263

Completing a round trip and returning to starting point gives displacement

(A) maximum
(B) zero
(C) half distance
(D) infinite

Correct Answer: B

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Question (44)

QN003264

Velocity can be negative because

(A) speed decreases
(B) direction reverses
(C) motion stops
(D) acceleration zero

Correct Answer: B

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Question (45)

QN003265

Kinematic equations are applicable when

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

Correct Answer: A

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Question (46)

QN003266

Uniform acceleration causes velocity to change

(A) randomly
(B) exponentially
(C) equally in equal time intervals
(D) instantly

Correct Answer: C

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Question (47)

QN003267

If slope of position–time graph increases with time, motion is

(A) uniform motion
(B) accelerated motion
(C) retarded motion
(D) at rest

Correct Answer: B

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Question (48)

QN003268

A moving object has zero acceleration when velocity is

(A) constant
(B) increasing
(C) decreasing
(D) reversing

Correct Answer: A

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Question (49)

QN003269

An object at rest has

(A) zero velocity
(B) maximum acceleration
(C) infinite displacement
(D) negative speed

Correct Answer: A

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Question (50)

QN003270

Motion along a straight path is called

(A) circular motion
(B) rectilinear motion
(C) oscillatory motion
(D) rotational motion

Correct Answer: B

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Question (41)

Braking of a vehicle involves

Explanation:

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Question (42)

Distance equals magnitude of displacement when motion is

Explanation:

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Question (43)

Completing a round trip and returning to starting point gives displacement

Explanation:

Link:

Question (44)

Velocity can be negative because

Explanation:

Link:

Question (45)

Kinematic equations are applicable when

Explanation:

Link:

Question (46)

Uniform acceleration causes velocity to change

Explanation:

Link:

Question (47)

If slope of position–time graph increases with time, motion is

Explanation:

Link:

Question (48)

A moving object has zero acceleration when velocity is

Explanation:

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Question (49)

An object at rest has

Explanation:

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Question (50)

Motion along a straight path is called

Explanation:

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