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FORCE

Penilaian - Ujian Kendiri

1

The diagram shows a boy kicking a ball of the ground.

What effect of force is shown in the diagram above?

 

A

Changing the shape of an object

 

B

Stopping a moving object
 

C

Moving a stationary object
 

D

Changing the direction of motion of an object

 
2

Which of the following shows a pulling force?

 

A

 
 

B

 

C

 

D

 
3

Which of the following surfaces will generate the greatest friction?

 

A

Glass
 

B

Cement
 

C

Plywood  
 

D

Sand paper

 
4

Which of the following are factors that affect frictional force?

  I Weight of an object
  II Shape of an object
  III Type of surfaces in contact
  IV

Total surface area of surfaces in contact

 
 

A

I and II only

 

B

I and III only

 

C

I, III and IV only

 

D

I, II, III and IV

 
5

In which of the following situation is the greatest amount of friction generated?
 

A

 
 

B

 

C

 
 

D

 
6

Which of the following situation will generate the least amount of friction?

 

A

 
 

B

 
 

C

 
 

D

 
7

Which of the following activities will produce friction?

  I A boy running across a field
  II A plane taking off from a runway.
  III A ship sailing across the ocean
  IV

A ripe mango falling from a tree

 
 

A

I only

 

B

I and II only

 

C

I, II and III only

 

D

I, II, III and IV

8

Which of the following is the importance of friction?

  I Allow us to walk without slipping
  II Lighting a match
  III Climbing a tree
  IV

Causes wear and tear

 
 

A

  I and II only
 

B

II and III only
 

C

I and IV only
 

D

I, II and III only

 




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