Gravitation CDS Questions

CDS Physics

Gravitation MCQ Questions


7.
 The gravitational force between two bodies does not depend on
A.
Their masses
B.
Their seperation
C.
The product of their masses
D.
The medium between the two bodies
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ANSWER :
D. The medium between the two bodies
8.
The Buoyant force is also known as
A.
Low-thrust
B.
Thrust
C.
Upthrust
D.
None of the above
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ANSWER :
C. Upthrust
9.

Which of the following statements is true of the value of acceleration due to gravity?

A.

The value at the equator is about 7.78 m/s²

B.

The value at the equator is about 10.78 m/s²

C.

The value at the equator is about 9.78 m/s²

D.

The value at the equator is about 19.78 m/s²

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ANSWER :

C. The value at the equator is about 9.78 m/s²

10.
The Upthrust and weight act in
A.
Upward
B.
Downward
C.
Same direction
D.
Opposite direction
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ANSWER :
D. Opposite direction
11.
Mass of an object is 10 kg. What is its weight on the earth?
A.
9.8 Newton
B.
98 Newton
C.
0.98 Newton
D.
980 Newton
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ANSWER :
B. 98 Newton
12.
What was the principle Archimedes discovered?
A.
Principle of volume
B.
Principle of denstiy
C.
Principle of buoyancy
D.
Principle of gravity
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ANSWER :
C. Principle of buoyancy