Gravitation questions
1239 published questions with worked solutions.
- If a man weighs 90 kg on the surface of the earth, the height above the surface of the earth of radius R, where the weight is 30...
- The value of g on the earth's surface is 980 cms ^ -2 . Its value at a height of 64 km from the earth's surface is
- If the value of g acceleration due to gravity at earth surface is 10 ms ^ -2 , its value in ms ^ -2 at the centre of the earth,...
- If the force inside the earth's surface varies as x^n, where x is the distance of the body from the centre of the earth, then the...
- What will be the effect on the weight of a body on the surface of earth, if the earth's rotation rate suddenly changes to half of...
- If the radius of the earth were to shrink by 1 %, its mass remaining the same, the acceleration due to gravity on the earth's...
- One goes from the centre of the earth to a distance two-thirds the radius of the earth along this path, where will the...
- For a body lying on the equator to appear weightless, what should be the angular speed of the earth? (Take g=10 ms ^ -2 ; radius...
- Mass of moon is 7.34 10^ 22 kg. If the acceleration due to gravity on the moon is 1.4 ms ^ -2 , the radius of the moon is...
- At what height in km over the earth's pole does the free-fall acceleration decrease by one percent? (Assume the radius of the...
- At a distance 320 km above the surface of earth, the value of acceleration due to gravity will be lower than its value on the...
- There is a mine of depth about 2.0 km. In this mine, the conditions as compared to those at the surface are
- The height at which the acceleration due to gravity decreases by 36 % of its value on the surface of the earth (the radius of the...
- The depth from the surface of the earth of radius R at which the acceleration due to gravity will be 75 % of the value on the...
- If both the mass and radius of the earth each decrease by 50 %, the acceleration due to gravity would
- At what height above the earth's surface does the force of gravity decrease by 10 %? The radius of the earth is 6400 km.
- Two bodies of masses 2 kg and 8 kg are separated by a distance of 9 m. The point where the resultant gravitational field...
- The distance between the earth and the moon is 3.85 10^8 m. At what distance from the earth's centre will the intensity of the...
- Two bodies of masses 100 kg and 1000 kg are separated by a distance of 1 m. What is the intensity of gravitational field at the...
- There are two bodies of masses 100 , 000 kg and 1000 kg separated by a distance of 1 m. At what distance (in metre) from the...
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