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1.
The value of acceleration due to gravity
2.
Two objects of different masses falling freely near the surface of moon would
3.
Which one among the following is the correct value of the gravitational force of the Earth acting on a body of mass 1 kg?
4.
A geostationary satellite
5.
An astronaut in the orbit in a spacecraft feels weightlessness
6.
If the moon is to escape from the gravitational field of the earth forever, it will require a velocity
7.
In respect of the difference of the gravitational force from electric and magnetic forces, which one of the following statements is true?
8.
The question contain two statements, Assertion and Reason. Each of thesequestions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes [a], [b], [c] and [d] given below.
Assertion: The tidal waves in sea are primarily due to the gravitational effect of earth.
Reason: The intensity of gravitational field of earth is maximum at the surface of earth.
Assertion: The tidal waves in sea are primarily due to the gravitational effect of earth.
Reason: The intensity of gravitational field of earth is maximum at the surface of earth.
9.
Consider the following statements:
1. The gravitational force exerted by the sun on the moon is greater than the gravitational force exerted by the earth on the moon.
2. A heavy body falls at a faster rate than a light body in vacuum.
Which of the following statements given above is/are correct?
1. The gravitational force exerted by the sun on the moon is greater than the gravitational force exerted by the earth on the moon.
2. A heavy body falls at a faster rate than a light body in vacuum.
Which of the following statements given above is/are correct?
10.
A body weighs 5 kg on equator. At the poles it is likely to weight