High School

A wooden cube is weighed at the North Pole by a beam balance and then by a The reading on the beam balance is 6000 g and the reading of the spring balance os 60N. at a point of equator,the beam balance given the same value while the spring balance record 59.8N. explain these difference ​

Answer :

The difference in weight measurements of the wooden cube at the North Pole and the equator is caused by the effect of gravity and the centrifugal force due to the Earth's rotation.

Why the difference?

At the North Pole, the gravitational force acting on the wooden cube is maximum as the force of gravity is directly proportional to the mass of the object and the acceleration due to gravity at that location.

The values of the acceleration due to gravity are different at the equator and at the poles as such the measurement of the weight and the reading of the spring balance would not be the same at the equator and at the poles.

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