Tuesday 18 October 2011

Worksheet 12

Fill in the blanks.

1. The (____________) force opposes the motion of the coin and

causes the coin to stop finally.

2. When the (__________) of a car are applied, the friction

between the tyres and the road allows the tyres to grip the

road.

3. Friction occurs when two (__________) are in contact with each

other.

4. Friction acts in the (______________) direction to the

movement of an object.

5. Friction is a type of force that slows down a (_____________)

object.

Circle the correct answers.

1. The force that opposes the movement of an object is called (___________).

A. pull

B. push

C. speed

D. friction

2. All the following statements explain friction except

A. Friction is a type of force.

B. Friction slows down the speed of a moving object.

C. Friction happens when two surfaces are in contact.

D. Friction changes the speed of a moving object so that it moves faster.

3. Which of the following statements are true about friction?

I. Friction enables us to hold objects

II. Friction is a force that opposes motion

III. Friction causes moving objects move faster

IV. Friction happens when two surfaces are in contact

A. I, II and III C. II, III and IV

B. I,II and IV D. I, II, III and IV

Fill in the correct answers.

1. Friction is a type of ( ) .

2. ( ) happens when two surfaces are in contact.

3. Friction can slow down an object's ( ) .

4. When the brakes of a car are applied, the friction between the tyres and

the road allows the tyres to( )the road.


Choose True or False for the statements below.

1. Friction can slow down an object's movement or stop its movement altogether.

True

False

2. Friction helps to speed up the motion of a moving object.

True

False

3. Friction causes an object to remain stationary.

True

False

4. When the brakes of a car are applied, the car moves faster.

True

False

5. Friction happens when two surfaces rub against each other.

True

False

No comments:

Post a Comment