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Amit buys few grams of gold at the poles as per the instructio

Science

Class 9

NCERT

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What do we call the gravitational force between the earth and an object?

Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint : The value of g is greater at the poles than at the equator.]

Why will a sheet of paper fall slower than one that is crumpled into a ball?

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Hard

Solving time: 3 mins

Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint : The value of g is greater at the poles than at the equator.]

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Updated on: Sep 1, 2023

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Science (NCERT)

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Text solutionVerified

Let

m

be the mass of the gold bought.

Also, let the acceleration due to gravity at poles and at equator be

g_{p}

and

g_{e}

respectively.

Acceleration due to gravity at poles is slightly greater than that at equator.

∴

Weight of gold at poles

W_{p} = m g_{p}

Weight of gold at equator

W_{e} = m g_{e}

But as

g_{e} < g_{p}

⟹ W_{p} > W_{e}

Hence the weight of gold is slightly less at equator.

So the friend will not agree with Amit about the weight of gold bought.

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Question Text	Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint : The value of g is greater at the poles than at the equator.]
Updated On	Sep 1, 2023
Topic	Gravitation
Subject	Science
Class	Class 9
Answer Type	Text solution:1 Video solution: 6
Upvotes	652
Avg. Video Duration	3 min

Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint : The value of g is greater at the poles than at the equator.]

Text solutionVerified

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Amit buys few grams of gold at the poles as per the instruction of one of his friends. He hands over the same when he meets him at the equator. Will the friend agree with the weight of gold bought? If not, why? [Hint : The value of g is greater at the poles than at the equator.]

Text solutionVerified

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