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Question (21)

QN003381

A student walks 12 m north then 5 m east. Resultant displacement equals

(A) 13 m
(B) 17 m
(C) 7 m
(D) 60 m

Correct Answer: A

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Question (22)

QN003382

Motion of an airplane flying horizontally while wind blows sideways represents

(A) rectilinear motion
(B) planar motion
(C) stationary motion
(D) oscillation

Correct Answer: B

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Question (23)

QN003383

The path followed in plane motion is generally

(A) straight only
(B) curved or straight
(C) circular only
(D) fixed point

Correct Answer: B

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Question (24)

QN003384

Two equal perpendicular velocities produce resultant velocity

(A) equal to each component
(B) greater than each component
(C) zero
(D) smaller always

Correct Answer: B

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Question (25)

QN003385

If a body moves equal distances along perpendicular directions, resultant direction is

(A) 30°
(B) 45°
(C) 60°
(D) 90°

Correct Answer: B

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Question (26)

QN003386

Motion of a football kicked at an angle demonstrates

(A) linear motion
(B) planar motion
(C) periodic motion
(D) rotational equilibrium

Correct Answer: B

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Question (27)

QN003387

A particle moves 9 m east and 12 m north. Resultant displacement equals

(A) 15 m
(B) 21 m
(C) 3 m
(D) 108 m

Correct Answer: A

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Question (28)

QN003388

Resultant displacement depends on

(A) time only
(B) path only
(C) magnitude and direction
(D) speed only

Correct Answer: C

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Question (29)

QN003389

If perpendicular velocity components double, resultant velocity becomes

(A) doubled
(B) unchanged
(C) four times
(D) half

Correct Answer: A

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Question (30)

QN003390

Motion in a plane requires minimum number of coordinates

(A) one
(B) two
(C) three
(D) four

Correct Answer: B

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Question (21)

A student walks 12 m north then 5 m east. Resultant displacement equals

Explanation:

Link:

Question (22)

Motion of an airplane flying horizontally while wind blows sideways represents

Explanation:

Link:

Question (23)

The path followed in plane motion is generally

Explanation:

Link:

Question (24)

Two equal perpendicular velocities produce resultant velocity

Explanation:

Link:

Question (25)

If a body moves equal distances along perpendicular directions, resultant direction is

Explanation:

Link:

Question (26)

Motion of a football kicked at an angle demonstrates

Explanation:

Link:

Question (27)

A particle moves 9 m east and 12 m north. Resultant displacement equals

Explanation:

Link:

Question (28)

Resultant displacement depends on

Explanation:

Link:

Question (29)

If perpendicular velocity components double, resultant velocity becomes

Explanation:

Link:

Question (30)

Motion in a plane requires minimum number of coordinates

Explanation:

Link:

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