Question

two brass balls of masses 2kg and 5kg experiments a force of attraction of 10N when the distance between their centers is doubled. The force of attraction​

Answer 1

Given

Masses = 2 kg & 5 kg

Force of attraction = 10 N

Distance between their centers is being doubled

To Find

The Force of attraction

Solution

☯ GMm/r² = Gravitational Force

The above formula is used to find the Gravitational Force between two bodies of masses M & m

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✭ According to the Question :

➞ g = GMm/r² = 10 N -eq(1)

And,

➞ g' = GMm/(2r)²

➞ g' = GMm/4r² -eq(2)

From eq(1) & eq(2)

➞ N = 10/4

➞ N = 5/2 N

∴ The gravitational force would be 5/2 N

Answer 2

Refer this attachment

Hope it's help you

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