It is found that the weight of an object is m | vedclass

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(C) The weight of an object is given by $W = mg$,where $m$ is the mass and $g$ is the acceleration due to gravity.Since $g$ is greater at the poles th

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a spring balance is used

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(C) The weight of an object is given by $W = mg$,where $m$ is the mass and $g$ is the acceleration due to gravity.Since $g$ is greater at the poles than at the equator,the weight of an object is higher at the poles.$A$ spring balance measures the weight $(W)$ of an object,which varies with the location due to the change in $g$.If you purchase goods at the equator using a spring balance,you get a certain mass for a specific weight reading.When you take these goods to the poles,the same mass will show a higher weight reading on a spring balance.However,a beam balance compares the mass of the object with a standard mass (counterweight),which is unaffected by the change in $g$ because $g$ acts equally on both sides of the balance.Therefore,to gain an advantage,one must use a spring balance to measure weight at the equator and sell it at the poles,as the spring balance will show a higher value at the poles for the same mass.

It is found that the weight of an object is more at the poles than at the equator. So it is beneficial to purchase goods at the equator and sell them at the poles,provided:

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