Question

Two mountains are 1.00 km apart. If their masses are identical (2.00 × 1010 kg), what is the force due to gravity between the mountains?
Question 4 options:
A) 2.67 × 104 N
B) 1.33 × 10-6 N
C) 2.67 × 107 N
D) 2.67 × 1010 N

Answer 1

@CarlosGP

Answer 2

\[F_g=G\frac{m_1m_2}{r^2}\]Where G = 6.67x10^-11

Can you solve it from here?

Answer 3

BTW: m is in kg, r is in meters.

Answer 4

I can!

Answer 5

I got C)!

Answer 6

Thanks!

Answer 7

How did you get C? I got A :)

Answer 8

Oh, I see what you did. You need to use 1000m...not 1km.