Gravitation Test

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Gravitation Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

The value of quantity G in the law of gravitation

A
depends on mass of the object

B
depends on radius of the earth only

C
depends on mass and radius of the earth

D
is independent of mass and radius of the earth

Solution

Is independent of mass and radius of the earth
Question 2
1 / -0

The gravitational force between two objects is F. What will be the gravitational force between them, if the separation between them is doubled?

A
F

B
F/2

C
F/4

D
2F
Question 3
1 / -0

Object A exerts a gravitational force of magnitude 5.9 × 10^-11 N on object B. What is the magnitude of the gravitational force, if the separation distance increases to 4/3 of its original value, mA increases to 3/2 of its original value, and mB is halved?

A
2.5 × 10^-11 N

B
3.3 × 10^-11 N

C
1.4 × 10^-10 N

D
1.6 × 10^-11 N
Question 4
1 / -0

The force of attraction between two objects placed at a certain distance is 124 N. What would be the force of attraction between them, if the separation between them is doubled?

A
62 N

B
248 N

C
31 N

D
496 N
Question 5
1 / -0

What is the magnitude and direction of the force of gravity acting on a body of mass 15 kg?
(Take g = 9.8 m/s²)

A
15 N, downwards

B
147 N, upwards

C
147 N, downwards

D
1.53 N, upwards
Question 6
1 / -0

What would be the acceleration due to gravity of a planet which consists of a satellite whose mass is one-fourth and radius is half to that of earth?

A
4.9 ms^-2

B
9.8 ms^-2

C
19.6 ms^-2

D
29.4 ms^-2
Question 7
1 / -0

How much force and weight act on a mass of 20.4 kg being pulled by the earth?

(Take g = 10ms^-2)c

A
204 N, 20.4 kg

B
204 N, 204 kg

C
204 N, 204 N

D
20.4 N, 204 N

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Re-Attempt Weekly Quiz Competition

Gravitation Test - 1

Result

Gravitation Test - 1

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SHARING IS CARING

Question 1

depends on mass of the object

depends on radius of the earth only

depends on mass and radius of the earth

is independent of mass and radius of the earth

Solution

Question 2

F

F/2

F/4

2F

Question 3

2.5 × 10-11 N

3.3 × 10-11 N

1.4 × 10-10 N

1.6 × 10-11 N

Question 4

62 N

248 N

31 N

496 N

Question 5

15 N, downwards

147 N, upwards

147 N, downwards

1.53 N, upwards

Question 6

4.9 ms-2

9.8 ms-2

19.6 ms-2

29.4 ms-2

Question 7

204 N, 20.4 kg

204 N, 204 kg

204 N, 204 N

20.4 N, 204 N

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2.5 × 10^-11 N

3.3 × 10^-11 N

1.4 × 10^-10 N

1.6 × 10^-11 N

4.9 ms^-2

9.8 ms^-2

19.6 ms^-2

29.4 ms^-2