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Universal Law of Gravitation

Let ω be the ...

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Let ω be the angular velocity of the earth rotation about its axis.assume that the acceleration due to gravity on the earth surface has same value at the equator and the poles.an object weighed at the equator gives the same reading taken at a depth d below earth surface at a pole(d<

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ω

be the angular velocity of the earth’s rotation about its axis. Assume that the acceleration due to gravity on the earth’s surface has the same value at the equator and at the poles. An object weighed at the equator gives the same reading as a reading taken at a depth

d

below earth’s surface at a pole

(d << R)

d

ω

be the angular velocity of the earth's rotation about its axis. Assume due to gravity on the earth's surface has the same value at the equator and the poles. An object weighed at the equator gives the same reading as a reading taken at a depth a below earth's surface at a pole(

d << R

). The value of

d

ω

be the angular velocity of the earth’s rotation about its axis. Assume that the acceleration due to gravity on the earth’s surface has the same value at the equator and at the poles. An object weighed at the equator gives the same reading as a reading taken at a depth

d

below earth’s surface at a pole

(d << R)

d

ω

be the angular velocity of the earth's rotation about its axis. Assume that the acceleration due to gravity on the earth's surface has the same value at the equator and the poles. An object weighed by a spring balance gives the same reading at the equator as at a height h above the poles

(h << R)

h

Q. Earth radius is

R

and spin angular velocity of Earth is

ω

. At what height above the North pole the acceleration due to gravity will be same as that at the equation? (

g

is acceleration due to gravity at North pole).

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