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Worksheets

Class 9

Total questions: 12

Worksheet time: 4mins

Name
Class
Date
1.

What is the SI unit of electric current?

a)

Ampere

b)

Candela

c)

Mole

d)

Celcius

2.

The CGS unit of force is ..............

a)

Newton

b)

Kelvin

c)

Erge

d)

Dyne

3.

............. is a fundamental unit?

a)

Hertz

b)

Km

c)

Pascal

d)

None of them

4.

What is the acceleration of a body during uniform motion?

a)

0 m/s²

b)

9.8 m/s²

c)

1m/s²

d)

5m/s²

5.

Which velocity is 0 if the body is thrown upward ?

a)

Initial velocity

b)

Final velocity

c)

Average velocity

d)

None of them

6.

Inertia depends on .............

a)

Acceleration

b)

Weight

c)

Force

d)

Mass

7.

Gives the definition of force ?

a)

Newton's Second Law of motion

b)

Newton's First Law of motion

c)

Newton's third law of motion

d)

All

8.

Rocket is based on ..........

a)

Newton's First Law of motion

b)

Newton's Second Law of motion

c)

Newton's Third Law of motion

d)

None of them

9.

What is the relation between acceleration and mass of a body?

a)

Inversely proportional

b)

Directly proportional

c)

Equal

d)

None

10.

Beating carpet with a stick to separate dust is an example of ........

a)

Inertia of direction

b)

Inertia of rest

c)

Inertia of motion

d)

All

11.

When was SI system approved?

a)

1955 A.D

b)

1960 A.D

c)

1962 A.D

d)

1860 A.D

12.

The SI unit of momentum is .........

a)

kgm/s

b)

Kgs

c)

Kgm

d)

Kgms