# Physics MCQs for Class 9 with Answers Chapter 4

#### Physics MCQs for Class 9 with Answers

Gravitational force is a:
Electric force
Magnetic force
Reactional force
Electromotive force.

Newton’s law of gravitation resembles with
1st law of motion
2nd law of motion
3rd law of motion
Law of gravitation

The orbital speed of a low orbit satellite is
Zero
8 ms-1
800 ms-1
8000 ms-1

The radius R of the earth is:
6 x 1018 m
6.4 x 106m
6.4 x 108m
6.4 x 1012m

The speed geostationary satellite with respect to earth is:
8.33 kms-1
3.87 ms-1
32 ms-1
Zero

The value of g at a height one Earth’s radius above the surface of the earth is:
2g
1/2 g
1/3 g
1/4 g

The gravitational force has the ________ relation with the distance between two masses:
Direct
Inverse
Constant
None

The force with which earth attracts a body towards its center is equal to its
Mass
Weight
Charge

The earth also completes its one revolution about its axis in.
1 Hours
6 Hours
13 Hours
24 Hours

Speed of the satellites of GPS around earth is:
3.87 ms-1
387 kms-1
3.87 kms-1
38.7 kms-1

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