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Question (21)

QN002101

Why is weight considered a force?

(A) It measures volume
(B) It is caused by gravitational pull
(C) It depends on colour
(D) It measures density

Correct Answer: B

Explanation:

Gravity exerts force called weight.

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Question (22)

QN002102

A spring balance is calibrated in —

(A) Kilograms
(B) Metres
(C) Newtons
(D) Litres

Correct Answer: C

Explanation:

Weight is measured in newtons.

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Question (23)

QN002103

A body weighs less on the Moon mainly because —

(A) The Moon has no gravity
(B) The Moon’s gravitational pull is weaker
(C) The object loses mass
(D) Air pressure is absent

Correct Answer: B

Explanation:

The Moon has weaker gravity than Earth.

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Question (24)

QN002104

A student measures the weight of a bag using a spring balance and gets 12 N. What does 12 N indicate?

(A) Mass of the bag
(B) Force due to gravity on the bag
(C) Volume of the bag
(D) Size of the bag

Correct Answer: B

Explanation:

Weight is the gravitational force acting on the bag.

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Question (25)

QN002105

If Earth’s gravity suddenly became stronger, a person would —

(A) Weigh more
(B) Weigh less
(C) Become massless
(D) Lose height instantly

Correct Answer: A

Explanation:

Stronger gravity increases weight.

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Question (26)

QN002106

A body weighs 50 N on Earth. If gravity decreases at another place, the spring balance reading will —

(A) Increase above 50 N
(B) Remain 50 N
(C) Decrease below 50 N
(D) Become negative

Correct Answer: C

Explanation:

Lower gravity reduces weight.

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Question (27)

QN002107

Which of the following is NOT true for mass?

(A) It remains constant everywhere
(B) It is measured in kilograms
(C) It depends on gravity
(D) It measures amount of matter

Correct Answer: C

Explanation:

Mass does not depend on gravity.

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Question (28)

QN002108

An object is suspended from a spring balance. The pointer moves because the object’s weight —

(A) Pulls the spring downward
(B) Changes colour of spring
(C) Reduces gravity
(D) Produces electricity

Correct Answer: A

Explanation:

Weight stretches the spring downward.

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Question (29)

QN002109

A spring balance can measure up to 50 N. An object produces a reading beyond this limit. What is most likely to happen?

(A) The spring may get damaged
(B) The object loses mass
(C) Gravity decreases
(D) Reading becomes zero automatically

Correct Answer: A

Explanation:

Excess load can damage the spring.

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Question (30)

QN002110

Which statement best explains the difference between mass and weight?

(A) Both are measured in newton
(B) Mass changes with gravity but weight does not
(C) Weight changes with gravity while mass remains constant
(D) Mass and weight are always equal

Correct Answer: C

Explanation:

Weight depends on gravity while mass stays constant.

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Question (21)

Why is weight considered a force?

Explanation:

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Question (22)

A spring balance is calibrated in —

Explanation:

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Question (23)

A body weighs less on the Moon mainly because —

Explanation:

Link:

Question (24)

A student measures the weight of a bag using a spring balance and gets 12 N. What does 12 N indicate?

Explanation:

Link:

Question (25)

If Earth’s gravity suddenly became stronger, a person would —

Explanation:

Link:

Question (26)

A body weighs 50 N on Earth. If gravity decreases at another place, the spring balance reading will —

Explanation:

Link:

Question (27)

Which of the following is NOT true for mass?

Explanation:

Link:

Question (28)

An object is suspended from a spring balance. The pointer moves because the object’s weight —

Explanation:

Link:

Question (29)

A spring balance can measure up to 50 N. An object produces a reading beyond this limit. What is most likely to happen?

Explanation:

Link:

Question (30)

Which statement best explains the difference between mass and weight?

Explanation:

Link:

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