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Question (31)

QN003391

A swimmer crossing a river experiences resultant motion due to

(A) gravity only
(B) swimmer velocity and water current
(C) air resistance only
(D) friction only

Correct Answer: B

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Question (32)

QN003392

The diagonal of a rectangle represents

(A) distance only
(B) resultant displacement
(C) velocity zero
(D) acceleration only

Correct Answer: B

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Question (33)

QN003393

When two displacement vectors act in opposite directions, resultant equals

(A) sum
(B) difference
(C) product
(D) zero always

Correct Answer: B

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Question (34)

QN003394

Motion in a plane combines motions along

(A) one axis
(B) two perpendicular axes
(C) circular axis
(D) vertical axis only

Correct Answer: B

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Question (35)

QN003395

A body moves 20 m east and 15 m west. Net displacement equals

(A) 35 m east
(B) 5 m east
(C) 5 m west
(D) 0 m

Correct Answer: B

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Question (36)

QN003396

Vector addition law mainly used in plane motion is

(A) parallelogram law
(B) reflection law
(C) conservation law
(D) Newton’s law

Correct Answer: A

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Question (37)

QN003397

Motion of satellite around Earth occurs in

(A) one dimension
(B) plane path approximately
(C) rest condition
(D) oscillation only

Correct Answer: B

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Question (38)

QN003398

If vx = 0, motion becomes

(A) planar motion
(B) one-dimensional motion
(C) circular motion
(D) random motion

Correct Answer: B

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Question (39)

QN003399

The magnitude of resultant displacement is always

(A) less than components
(B) greater than or equal to any component
(C) zero
(D) independent of components

Correct Answer: B

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Question (40)

QN003400

Understanding motion in a plane helps society in

(A) designing navigation and aircraft routes
(B) reducing temperature
(C) stopping motion completely
(D) eliminating forces

Correct Answer: A

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Question (31)

A swimmer crossing a river experiences resultant motion due to

Explanation:

Link:

Question (32)

The diagonal of a rectangle represents

Explanation:

Link:

Question (33)

When two displacement vectors act in opposite directions, resultant equals

Explanation:

Link:

Question (34)

Motion in a plane combines motions along

Explanation:

Link:

Question (35)

A body moves 20 m east and 15 m west. Net displacement equals

Explanation:

Link:

Question (36)

Vector addition law mainly used in plane motion is

Explanation:

Link:

Question (37)

Motion of satellite around Earth occurs in

Explanation:

Link:

Question (38)

If vx = 0, motion becomes

Explanation:

Link:

Question (39)

The magnitude of resultant displacement is always

Explanation:

Link:

Question (40)

Understanding motion in a plane helps society in

Explanation:

Link:

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