Physics

Problem

A body weighs 49 N on a spring balance at the north pole. What will be its weight recorded on the same weighing machine, if it is shifted to the equator ? [Use

g = \frac{GM}{R^2} = 9.8 \text{ ms}^{-2}

and radius of earth,

R = 6400 \text{ km}

.] 1. 49.17 N 2. 49 N 3. 48.83 N 4. 49.83 N

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