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Answer the following: (a) You can shield...

Answer the following: (a) You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means? (b) An astronaut inside a small spaceship orbiting around the Earth cannot detect gravity. If the space station orbiting around the Earth has a large size, can he hope to detect gravity? (c) If you compare the gravitational force on the Earth due to the Sun to that due to the Moon, you would find that the Sun’s pull is greater than the Moon’s pull. (You can check this yourself using the data available in the succeeding exercises). However, the tidal effect of the Moon’s pull is greater than the tidal effect of Sun. Why?

Text Solution

Verified by Experts

No, we cannot shield a body from the gravitational influence of nearby matter because gravitational screens are not possible.
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Knowledge Check

  • Potential at any point inside a charged hollow sphere :

    A
    increases with distance
    B
    is a constant
    C
    decreases with distance from centre
    D
    is zero

  • Potential at any point inside a charged hollow sphere :

    A
    increases with distance
    B
    is a constant
    C
    decreases with distance from centre
    D
    is zero

  • The potential inside a hollow spherical conductor

    A
    is constant
    B
    varies directly as the distance from the centre
    C
    varies inversely as the distance from the centre
    D
    none of these

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    The potential inside a hollow spherical conductor is

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