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Question (21)

QN002031

A magnet placed near iron filings attracts them. What can be concluded?

(A) Interaction is necessary for force
(B) Force acts only through touch
(C) Magnets increase mass
(D) Gravity stops acting

Correct Answer: A

Explanation:

Attraction occurs due to interaction.

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Question (22)

QN002032

Which of the following is an example of two objects interacting through contact?

(A) Earth attracting Moon
(B) Magnet attracting iron
(C) Hand lifting a bag
(D) Charged comb attracting paper

Correct Answer: C

Explanation:

The hand directly touches the bag.

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Question (23)

QN002033

A person pushes a stationary car but the car does not move. Which statement is most appropriate?

(A) No force was applied
(B) Balanced forces may be acting
(C) Gravity vanished
(D) Interaction did not occur

Correct Answer: B

Explanation:

Opposing forces may balance the push.

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Question (24)

QN002034

Which statement explains why a force disappears when interaction ends?

(A) Force depends on heat
(B) Force depends on interaction
(C) Force depends on mass only
(D) Force depends on colour

Correct Answer: B

Explanation:

No interaction means no force.

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Question (25)

QN002035

A child and a toy car interact when the child pulls it with a string. Which object applies force?

(A) Only child
(B) Only toy car
(C) Both child and toy car
(D) Neither object

Correct Answer: C

Explanation:

Both interacting objects exert force.

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Question (26)

QN002036

Which example shows that forces can exist in pairs?

(A) A stone lying quietly
(B) A person pushing a table and feeling pressure back
(C) Water evaporating
(D) Ice melting

Correct Answer: B

Explanation:

Both table and person exert forces.

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Question (27)

QN002037

A force of 15 N acts downward on a hanging object, while another force of 15 N acts upward. The object will —

(A) Move upward
(B) Move downward
(C) Remain at rest
(D) Rotate continuously

Correct Answer: C

Explanation:

Equal opposite forces balance each other.

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Question (28)

QN002038

Which condition is essential for force to act?

(A) Presence of light
(B) Presence of heat
(C) Interaction between objects
(D) Presence of electricity

Correct Answer: C

Explanation:

Force exists only due to interaction.

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Question (29)

QN002039

A moving bicycle collides with a wall and stops. Which objects interact?

(A) Bicycle and rider only
(B) Bicycle and wall
(C) Wall and ground only
(D) Air and wall only

Correct Answer: B

Explanation:

The wall applies force on the bicycle.

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Question (30)

QN002040

Which statement about balanced forces is correct?

(A) They always move objects
(B) They can keep an object at rest
(C) They increase speed continuously
(D) They act only upward

Correct Answer: B

Explanation:

Balanced forces do not change motion.

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Question (21)

A magnet placed near iron filings attracts them. What can be concluded?

Explanation:

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Question (22)

Which of the following is an example of two objects interacting through contact?

Explanation:

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Question (23)

A person pushes a stationary car but the car does not move. Which statement is most appropriate?

Explanation:

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Question (24)

Which statement explains why a force disappears when interaction ends?

Explanation:

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Question (25)

A child and a toy car interact when the child pulls it with a string. Which object applies force?

Explanation:

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Question (26)

Which example shows that forces can exist in pairs?

Explanation:

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Question (27)

A force of 15 N acts downward on a hanging object, while another force of 15 N acts upward. The object will —

Explanation:

Link:

Question (28)

Which condition is essential for force to act?

Explanation:

Link:

Question (29)

A moving bicycle collides with a wall and stops. Which objects interact?

Explanation:

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Question (30)

Which statement about balanced forces is correct?

Explanation:

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