Question

(a) Does a body have the same weight at the equator and at the poles? Explain.​

Answer 1

Answer:

If we see the shape of the Earth, it is flatter at the poles and bulged at the equator.

Therefore, the distance of the poles from the centre of the Earth is less than distance of the equator from the centre of the Earth.

Now, recall the formula of gravitational force between two objects —

F = (G * M1 * M2)/R^2.

Here, R is the distance between the two objects. We can see that Distance is inversely proportional to the Force.

Since the distance at the equator is more, it will have less gravitational force. Lesser the gravitational force, lesser will be the weight of the object.

Since the distance between the poles is less, there will be more gravitational force. More is the gravitational force, more will be the weight of the object.

Hence, the object will weigh minimum at the equator and maximum at the poles.

Explanation:

Answer 2

Answer:

No

Because radius of equator is greater than radius of poles so gravitational force is greater in poles as compared to the equator

So weight of a particular body is higher in poles as compared to equator

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