Question

the gravitational force between two identical lead spheres kept at 1m apart is 0.006673N. find their masses​

Answer 1

Answer:

Given : F=0.0667 mg wt =0.0667×10

−6

×10 N , r=1 m

Using the expression: F=

r

2

Gmm

Plugging in the values, we get:

⇒F=

1

2

(6.67×10

−11

)(m

2

)

⇒0.0667×10

−5

=

1

2

(6.67×10

−11

)(m

2

)

⇒6.67×10

−7

=

1

2

(6.67×10

−11

)(m

2

)

⇒m

2

=

6.67×10

−11

6.67×10

−7

=10

4

kg

⇒m=100 kg