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Question (11)

QN002021

A stationary object remains at rest because —

(A) No forces act on it
(B) The forces acting on it balance each other
(C) Gravity stops acting
(D) Air pressure becomes zero

Correct Answer: B

Explanation:

Balanced forces keep the object at rest.

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Question (12)

QN002022

A box placed on the floor does not move. Which statement best explains this?

(A) No force acts on the box
(B) Balanced forces act on the box
(C) Only upward force acts
(D) Only downward force acts

Correct Answer: B

Explanation:

Upward and downward forces balance each other.

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Question (13)

QN002023

Which example best shows interaction without direct physical contact?

(A) Pushing a cart
(B) Pulling a suitcase
(C) Magnet attracting pins
(D) Lifting a chair

Correct Answer: C

Explanation:

Magnetic force acts without contact.

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Question (14)

QN002024

When a person stops pushing a wall, the force on the hand disappears because —

(A) Interaction stops
(B) Gravity increases
(C) Air pressure changes
(D) The wall becomes lighter

Correct Answer: A

Explanation:

Force exists only during interaction.

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Question (15)

QN002025

Which pair of objects interact when a cyclist applies brakes?

(A) Brake pads and wheel
(B) Road and air only
(C) Seat and rider only
(D) Pedal and handle only

Correct Answer: A

Explanation:

Brakes interact with the wheel to slow it down.

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Question (16)

QN002026

A student presses clay with fingers. The force exists due to interaction between —

(A) Clay and table
(B) Fingers and clay
(C) Air and fingers
(D) Table and floor

Correct Answer: B

Explanation:

Fingers apply force on clay.

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Question (17)

QN002027

A football resting on the ground experiences gravity downward and support force upward. What is the result?

(A) Ball moves upward
(B) Ball moves downward
(C) Ball remains at rest
(D) Ball disappears

Correct Answer: C

Explanation:

Equal opposite forces balance each other.

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Question (18)

QN002028

Which of the following situations involves balanced forces?

(A) A falling mango
(B) A moving bicycle speeding up
(C) A book resting on a desk
(D) A kicked football

Correct Answer: C

Explanation:

Balanced forces keep the book stationary.

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Question (19)

QN002029

A hand pushes a trolley with a force of 20 N. The trolley pushes the hand backward. This shows that —

(A) Only the trolley experiences force
(B) Only the hand experiences force
(C) Both objects experience force
(D) No interaction exists

Correct Answer: C

Explanation:

Both interacting objects experience force.

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Question (20)

QN002030

A child leans against a wall and feels pressure on the back. Which statement is correct?

(A) Only the child applies force
(B) Only the wall applies force
(C) Child and wall both apply force on each other
(D) No force acts

Correct Answer: C

Explanation:

Interaction causes forces on both objects.

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Question (11)

A stationary object remains at rest because —

Explanation:

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Question (12)

A box placed on the floor does not move. Which statement best explains this?

Explanation:

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Question (13)

Which example best shows interaction without direct physical contact?

Explanation:

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Question (14)

When a person stops pushing a wall, the force on the hand disappears because —

Explanation:

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Question (15)

Which pair of objects interact when a cyclist applies brakes?

Explanation:

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Question (16)

A student presses clay with fingers. The force exists due to interaction between —

Explanation:

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Question (17)

A football resting on the ground experiences gravity downward and support force upward. What is the result?

Explanation:

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Question (18)

Which of the following situations involves balanced forces?

Explanation:

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Question (19)

A hand pushes a trolley with a force of 20 N. The trolley pushes the hand backward. This shows that —

Explanation:

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Question (20)

A child leans against a wall and feels pressure on the back. Which statement is correct?

Explanation:

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