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Gravitation

Gravitation

by Chandni Bhatia -
Number of replies: 2

Take the effect of bulging of earth and it's rotation in account.Consider the following statements:

A) There are points outside the earth where the value of g is equal to it's value at the equator.

B) There are points outside the earth where the value of g is equal to it's value at ther poles.

a)Both A and B are correct. b)A is correct but B is wrong. c)B is correct but A is wrong. d) Both A and B are wrong.Answer is b).  

In reply to Chandni Bhatia

Re: Gravitation

by Manish Verma -
gequator < gpoles

g falls along the normal on either side of the surface of the earth.  Which means that if one goes above the pole (say) g falls and at one point it can become equal to gequator.

If one goes above the earth then g falls and hence cannot equal gpoles which is generally higher than the other surface values of g (imagine poles as points of maximum).