Gravitation Test

Result

Gravitation Test - 62

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Weekly Quiz Competition

Question 1
4 / -1

Which force in nature exits everywhere?

A
Nuclear force

B
Electromagnetic force

C
Weak force

D
Gravitation
Question 2
4 / -1

The time period of a simple pendulum on a freely moving artificial satellite is

A
Zero

B
2 sec

C
3 sec

D
Infinite

Solution
Question 3
4 / -1

Two planets have the same average density but their radii are R₁ and R₂. If acceleration due to gravity on these planets be g₁ and g₂ respectively, then

A

B

C

D

Solution
Question 4
4 / -1

An iron ball and a wooden ball of the same radius are released from a height \'h\' in vacuum. The time taken by both of them to reach the ground is

A
Unequal

B
Exactly equal

C
Roughly equal

D
Zero

Solution
Question 5
4 / -1

Read the following statements
S₁: An object shall weigh more at pole than at equator when weighed by using a physical balance
S₂ : It shall weigh the same at pole and equator when weighed by using a physical balance
S₃ : It shall weigh the same at pole and equator when weighed by using a spring balance
S₄ :It shall weigh more at the pole than at equator when weighed using a spring balance
Which of the above statements is/are correct?

A
S₁ and S₂

B
S₁ and S₄

C
S₂ and S₃

D
S₂ and S₄

Solution
Question 6
4 / -1

A man is standing on an international space station, which is orbiting earth at an altitude 520 km with a constant speed 7.6 km/s. If the man\'s weight is 50 kg, his acceleration is

A
7.6 km/s²

B
7.6 m/s²

C
8.4 m/s²

D
10 m/s²

Solution
Question 7
4 / -1

A body weighs 700 g wt on the surface of the earth. How much will it weigh on the surface of a planet whose mass is 1/7and radius is half that of the earth

A
200 g wt

B
400 g wt

C
50 g wt

D
300 g wt

Solution
Question 8
4 / -1

A spherical planet far out in space has a mass M₀ and diameter D₀. A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity which is equal to

A

B

C

D

Solution
Question 9
4 / -1

As we go from the equator to the poles, the value of g

A
Remains the same

B
Decreases

C
Increases

D
Decreases upto a latitude of 45°
Question 10
4 / -1

Force of gravity is least at

A
The equator

B
The poles

C
A point in between equator and any pole

D
None of these