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sanjual bobbal

· started a discussion

· 1 Months ago

issue (Question: 167528.0 )

why u showing the right answer wrong

Question:

The weight of a body is – 

1. Minimum at the poles

2. Maximum at the equator

3. Maximum at the poles

4. Same everywhere on earth

Options:
A)

Only 1 and 2

B)

Only 3

C)

Only 4

D)

Only 2

Solution:

As the gravity is slightly higher at the poles, the weight is more as compared to anywhere else. Also at the poles the centrifugal force is lesser as compared to equator, this is due to reduced angular speed, as the circular motion is of almost negligible radii at the poles.  

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Given answer is correct.
Keep learning,
Team TR

himanshu kushwaha

· commented

· 1 Months ago

In combination, the equatorial bulge and the effects of the surface centrifugal force due to rotation mean that sea-level effective gravity increases from about 9.780 m/s2 at the Equator to about 9.832 m/s2 at the poles, so an object will weigh about 0.5% more at the poles than at the Equator
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