RELATION BETWEEN \(g\) AND G, VARIATION OF g
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Gravitation

270403 If the speed of rotation of earth about its axis increases, then the weight of the body at the equator will

1 increase
2 decrease
3 remains unchanged
4 some times decrease and sometimes increase
Gravitation

270404 The ratio of acceleration due to gravity at a depth ' \(h\) ' below the surface of earth and at a height ' \(h\) ' above the surface for \(h<<\) R

1 constant only when\(\mathrm{h}<<\mathrm{R}\)
2 increases linearly with\(h\)
3 increasesparabolically with \(h\)
4 decreases
Gravitation

270410 Two identical trains \(A\) and \(B\) move with equal speeds on parallel tracks along the equator. A moves from east to west and \(B\) moves from west to east. Which train will exert greater force on the track?

1 A
2 B
3 they will exert equal force
4 The mass and the speed of each trainmust be known to reach a conclusion.
Gravitation

270411 Assuming the earth to be a sphere of uniform density, the acceleration due to gravity

1 at a point outside the earth is inversely proportional to the square of its distance from the centre
2 at a point outside the earth is inversely proportional to its distance from the centre
3 at a point inside is zero
4 at a point inside is inversely proportional to its distance from the centre.
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Gravitation

270403 If the speed of rotation of earth about its axis increases, then the weight of the body at the equator will

1 increase
2 decrease
3 remains unchanged
4 some times decrease and sometimes increase
Gravitation

270404 The ratio of acceleration due to gravity at a depth ' \(h\) ' below the surface of earth and at a height ' \(h\) ' above the surface for \(h<<\) R

1 constant only when\(\mathrm{h}<<\mathrm{R}\)
2 increases linearly with\(h\)
3 increasesparabolically with \(h\)
4 decreases
Gravitation

270410 Two identical trains \(A\) and \(B\) move with equal speeds on parallel tracks along the equator. A moves from east to west and \(B\) moves from west to east. Which train will exert greater force on the track?

1 A
2 B
3 they will exert equal force
4 The mass and the speed of each trainmust be known to reach a conclusion.
Gravitation

270411 Assuming the earth to be a sphere of uniform density, the acceleration due to gravity

1 at a point outside the earth is inversely proportional to the square of its distance from the centre
2 at a point outside the earth is inversely proportional to its distance from the centre
3 at a point inside is zero
4 at a point inside is inversely proportional to its distance from the centre.
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Gravitation

270403 If the speed of rotation of earth about its axis increases, then the weight of the body at the equator will

1 increase
2 decrease
3 remains unchanged
4 some times decrease and sometimes increase
Gravitation

270404 The ratio of acceleration due to gravity at a depth ' \(h\) ' below the surface of earth and at a height ' \(h\) ' above the surface for \(h<<\) R

1 constant only when\(\mathrm{h}<<\mathrm{R}\)
2 increases linearly with\(h\)
3 increasesparabolically with \(h\)
4 decreases
Gravitation

270410 Two identical trains \(A\) and \(B\) move with equal speeds on parallel tracks along the equator. A moves from east to west and \(B\) moves from west to east. Which train will exert greater force on the track?

1 A
2 B
3 they will exert equal force
4 The mass and the speed of each trainmust be known to reach a conclusion.
Gravitation

270411 Assuming the earth to be a sphere of uniform density, the acceleration due to gravity

1 at a point outside the earth is inversely proportional to the square of its distance from the centre
2 at a point outside the earth is inversely proportional to its distance from the centre
3 at a point inside is zero
4 at a point inside is inversely proportional to its distance from the centre.
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Gravitation

270403 If the speed of rotation of earth about its axis increases, then the weight of the body at the equator will

1 increase
2 decrease
3 remains unchanged
4 some times decrease and sometimes increase
Gravitation

270404 The ratio of acceleration due to gravity at a depth ' \(h\) ' below the surface of earth and at a height ' \(h\) ' above the surface for \(h<<\) R

1 constant only when\(\mathrm{h}<<\mathrm{R}\)
2 increases linearly with\(h\)
3 increasesparabolically with \(h\)
4 decreases
Gravitation

270410 Two identical trains \(A\) and \(B\) move with equal speeds on parallel tracks along the equator. A moves from east to west and \(B\) moves from west to east. Which train will exert greater force on the track?

1 A
2 B
3 they will exert equal force
4 The mass and the speed of each trainmust be known to reach a conclusion.
Gravitation

270411 Assuming the earth to be a sphere of uniform density, the acceleration due to gravity

1 at a point outside the earth is inversely proportional to the square of its distance from the centre
2 at a point outside the earth is inversely proportional to its distance from the centre
3 at a point inside is zero
4 at a point inside is inversely proportional to its distance from the centre.
For More Updates join with Us