The bodies situated on the surface of earth at its equator, becomes weightless, when the earth has KE about it axis

mgR

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2 mgR/5

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MgR/5

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5 MgR/2

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Solution

The correct option is C
MgR/5

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Similar questions

Q. The rotation of the earth about its axis speed up such that a man on the equator becomes weightless. In such a situation, what would be the duration of one day?

Q. A t what angular speed should the earth rotate so that a body situated on the equator becomes weightless ?
( Acceleration due to gravity = 9.8

m / s^{2}

, Radius of the earth = 6400 km)

Q. How much faster than its normal rate should the earth rotate about its axis so that the weight of the body at the equator becomes zero ? (Radius of the earth

= 6.4 \times 10^{6} m

and

g = 9.8 m / s^{2}

)

If 'R' is the radius of earth, the height from the surface at which the weight of a body becomes one-fourth of its weight, on the surface of earth is:

Q. If the rotation of the earth about its axis speeds up such that a man on the equator becomes weightless, in such a case, what would be the duration of day?

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The bodies situated on the surface of earth at its equator, becomes weightless, when the earth has KE about it axis

The correct option is C MgR/5

The correct option is C
MgR/5