Question

Calculate the force when the distance between two objects is reduced by the factor of two

Answer 1

Answer:

We know that According to the law of gravitation, the force between any two objects of mass M and m is directly proportional to their masses and inversely proportional to the square of the distance between them.

F=G

r

2

Mm

So, if Distance is halved, i.e new r=

2

r

So, New F=G

2

2

r

2

Mm

⇒F=4G

r

2

Mm

So, Force of gravitation increases by 4 times when distance reduced by half

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