MCQ Questions

Question No. 1

Fill in the blanks:

Answer :

1. Force can change ........................ and ........................ of a body.

2. ........................ are the devices that make our work easy.

3. ........................ is defined as the ability of an object to do work.

4. We receive energy from the sun in the form of ........................ and ........................ .

5. Cranes use ........................ and ........................ pulleys.

Question No. 2

Short Type Questions

Answer :

1. Define the term force.

2. Which produces greater frictional force – rough surfaces or smooth surfaces ?

3. What are the sources of sound energy ?

Question No. 3

Long Type Questions

Answer :

1. What do you mean by energy? Name different forms of energy.

2. Define force. Give a brief account of the different types of forces in Nature.

3. Explain the various effects of force with examples.

4. What are different types of energy? Explain each briefly.

5. Define a machine.

6. Differentiate between the three classes of levers.

Question No. 4

MATCH THE FOLLOWING

Answer :

Question No. 5

A ball moving on the ground comes to rest on its own after some time due to the

Answer :

frictional force

gravitational force

mechanical force

Question No. 6

A rubber band possesses

Answer :

magnetic force

muscular force

elastic force

Question No. 7

The energy possessed by a body due to its position or motion is known as

Answer :

electrical energy

mechanical energy

magnetic energy

Question No. 8

The form of energy which is used for lifting heavy iron objects using a strong magnet is

Answer :

wind energy

kinetic energy

magnetic energy

Question No. 9

Which of these simple machines helps to move heavier objects to a height ?

Answer :

Pulley

Lever

Inclined plane

Question No. 10

A ball moving on the ground comes to rest on its own after some time due to the

Answer :

frictional force

gravitational force

mechanical force

Question No. 11

A rubber band possesses

Answer :

magnetic force

muscular force

elastic force

Question No. 12

The energy possessed by a body due to its position or motion is known as

Answer :

electrical energy

mechanical energy

magnetic energy

Question No. 13

The form of energy which is used for lifting heavy iron objects using a strong magnet is

Answer :

wind energy

kinetic energy

magnetic energy

Question No. 14

The force responsible for keeping us bound to the earth is

Answer :

frictional force

gravitational force

muscular force

Question No. 15

Tongs are an example of

Answer :

First class lever

Second class lever

Third class lever

Chapter

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