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Question (21)

QN002001

Which effect of force is observed while rolling a chapati?

(A) Change in shape
(B) Change in direction
(C) Change in speed
(D) Change in colour

Correct Answer: A

Explanation:

Rolling changes the shape of dough.

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Question (22)

QN002002

A force can change the direction of motion of an object even if —

(A) The object is already moving
(B) The object is invisible
(C) The object has no mass
(D) The object is hot

Correct Answer: A

Explanation:

Force can change direction of moving objects.

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Question (23)

QN002003

A player kicks a football towards the goal. The ball’s speed increases from 2 m/s to 10 m/s. Which effect of force is shown?

(A) Change in colour
(B) Change in speed
(C) Change in mass
(D) Change in texture

Correct Answer: B

Explanation:

Force increases the speed.

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Question (24)

QN002004

Which of the following actions may change both the speed and direction of a moving object?

(A) Pressing a balloon
(B) Hitting a tennis ball with a racket
(C) Rolling dough
(D) Lifting a bag

Correct Answer: B

Explanation:

The racket changes speed and direction.

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Question (25)

QN002005

A person squeezes a sponge. Which property of the sponge changes mainly due to force?

(A) Shape
(B) Mass
(C) Temperature
(D) Density only

Correct Answer: A

Explanation:

Squeezing changes the shape.

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Question (26)

QN002006

A car travelling straight suddenly turns left due to steering action. Which effect of force is involved?

(A) Change in state
(B) Change in direction
(C) Change in shape
(D) Change in mass

Correct Answer: B

Explanation:

Steering changes the direction.

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Question (27)

QN002007

Which example shows force reducing the speed of an object without stopping it completely?

(A) Applying brakes lightly on a scooter
(B) Pressing clay
(C) Stretching a rubber band
(D) Pulling curtains

Correct Answer: A

Explanation:

Light braking reduces speed only.

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Question (28)

QN002008

A student presses an empty plastic bottle and its sides bend inward. This shows that force can —

(A) Change shape
(B) Change mass
(C) Produce magnetism
(D) Produce light

Correct Answer: A

Explanation:

Force changes the bottle’s shape.

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Question (29)

QN002009

A cricket ball moving at 15 m/s is hit by a bat and starts moving in the opposite direction at 20 m/s. Which effect of force is definitely observed?

(A) Only shape changes
(B) Only colour changes
(C) Change in speed and direction
(D) No effect of force

Correct Answer: C

Explanation:

Both speed and direction change.

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Question (30)

QN002010

Which statement correctly explains why force is important in daily life?

(A) Force changes only the size of objects
(B) Force can start, stop, or change motion and shape
(C) Force increases weight of all objects
(D) Force acts only on living things

Correct Answer: B

Explanation:

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Question (21)

Which effect of force is observed while rolling a chapati?

Explanation:

Link:

Question (22)

A force can change the direction of motion of an object even if —

Explanation:

Link:

Question (23)

A player kicks a football towards the goal. The ball’s speed increases from 2 m/s to 10 m/s. Which effect of force is shown?

Explanation:

Link:

Question (24)

Which of the following actions may change both the speed and direction of a moving object?

Explanation:

Link:

Question (25)

A person squeezes a sponge. Which property of the sponge changes mainly due to force?

Explanation:

Link:

Question (26)

A car travelling straight suddenly turns left due to steering action. Which effect of force is involved?

Explanation:

Link:

Question (27)

Which example shows force reducing the speed of an object without stopping it completely?

Explanation:

Link:

Question (28)

A student presses an empty plastic bottle and its sides bend inward. This shows that force can —

Explanation:

Link:

Question (29)

A cricket ball moving at 15 m/s is hit by a bat and starts moving in the opposite direction at 20 m/s. Which effect of force is definitely observed?

Explanation:

Link:

Question (30)

Which statement correctly explains why force is important in daily life?

Explanation:

Link:

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