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Question (11)

QN001991

A football moving north is kicked towards east. Which quantity definitely changes?

(A) Shape
(B) Direction
(C) Mass
(D) Density

Correct Answer: B

Explanation:

The direction changes from north to east.

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Question (12)

QN001992

Which statement is correct regarding the effects of force?

(A) Force can only move objects
(B) Force can only stop objects
(C) Force can change speed, direction, or shape
(D) Force acts only on stationary objects

Correct Answer: C

Explanation:

Force can affect motion and shape.

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Question (13)

QN001993

A lump of dough becomes flat when pressed by hand. Which effect of force is observed?

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

Correct Answer: B

Explanation:

Pressing changes the shape.

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Question (14)

QN001994

A hockey player hits a stationary ball and it starts moving. Which statement is true?

(A) Force changed the mass of the ball
(B) Force changed the colour of the ball
(C) Force made the object move from rest
(D) Force melted the ball

Correct Answer: C

Explanation:

Force can make objects move.

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Question (15)

QN001995

A moving train slows down near a station after brakes are applied. This happens because force can —

(A) Increase volume
(B) Change speed
(C) Produce electricity only
(D) Reduce gravity

Correct Answer: B

Explanation:

Force reduces the speed of the train.

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Question (16)

QN001996

Which activity involves more than one effect of force?

(A) Pressing toothpaste tube
(B) Hitting a moving ball with a bat
(C) Applying brakes to a bicycle
(D) Pulling a drawer

Correct Answer: B

Explanation:

Both speed and direction may change.

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Question (17)

QN001997

A child pushes a toy car harder than before. The toy car now moves faster. Force has caused a change in —

(A) Shape
(B) Direction
(C) Speed
(D) Material

Correct Answer: C

Explanation:

Greater force increases speed.

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Question (18)

QN001998

A moving marble strikes another marble at rest. The second marble starts moving. Which effect of force is observed?

(A) Change in smell
(B) Change in motion
(C) Change in texture
(D) Change in mass

Correct Answer: B

Explanation:

Force changes the state of motion.

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Question (19)

QN001999

Which action best demonstrates force stopping a moving object?

(A) Pulling a suitcase
(B) Rolling clay
(C) Catching a cricket ball
(D) Stretching a spring

Correct Answer: C

Explanation:

Catching stops the moving ball.

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Question (20)

QN002000

A bicycle moving at 20 km/h comes to rest after applying brakes. What is the final speed?

(A) 20 km/h
(B) 10 km/h
(C) 5 km/h
(D) 0 km/h

Correct Answer: D

Explanation:

The bicycle stops completely.

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Question (11)

A football moving north is kicked towards east. Which quantity definitely changes?

Explanation:

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Question (12)

Which statement is correct regarding the effects of force?

Explanation:

Link:

Question (13)

A lump of dough becomes flat when pressed by hand. Which effect of force is observed?

Explanation:

Link:

Question (14)

A hockey player hits a stationary ball and it starts moving. Which statement is true?

Explanation:

Link:

Question (15)

A moving train slows down near a station after brakes are applied. This happens because force can —

Explanation:

Link:

Question (16)

Which activity involves more than one effect of force?

Explanation:

Link:

Question (17)

A child pushes a toy car harder than before. The toy car now moves faster. Force has caused a change in —

Explanation:

Link:

Question (18)

A moving marble strikes another marble at rest. The second marble starts moving. Which effect of force is observed?

Explanation:

Link:

Question (19)

Which action best demonstrates force stopping a moving object?

Explanation:

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Question (20)

A bicycle moving at 20 km/h comes to rest after applying brakes. What is the final speed?

Explanation:

Link:

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