Physics MCQs for Class 9 with Answers Chapter 4

Law of Gravitation is consistence with:

1st Law of motion

2nd Law of motion

3rd Law of motion

Law of momentum

Gravitational force is a

Contacted force

Non-contact force

Electrical force

Charging force

Moon is nearly _________ km away from earth.

6 x 1024

380000

199.62 km

30000

The value of g on moon’s surface is 1.6 ms-2. What will be the weight of a a 100 kg body on the surface of the moon?

100 N

160 N

1000 N

1600 N

The value of g on moon’s surface is 1.6 ms-2. what will be the weight of a 100 kg body on the surface of the moon?

100 N

160 N

1000 N

1600 N

The orbital speed of a low orbit satellite is:

Zeri

8 ms-1

800 ms-1

8000 ms-1

Weight of the body is due to the :

Gravitation force

Centripetal force

Centrufugal force

All of the above

Earth’s gravitational force of attraction vanishes at:

6400 km

Infinity

42300 km

1000 km

GPS system consists of earth satellites:

4

20

24

30

Weight of the body is__________ to the gravity force between body and earth:

Less than

Greater than

Equal

Constant