If two bodies of masses 2 kg and 4 kg are separated by 10 m, the gravitational force of attraction between them is _____N.

(a) 5.336 10-12

(b) 23.29 x 10–13

(c) 9.324 x 10-10

(d) 9.45 x 10-15

Asked by tejuomilo | 7th Nov, 2021, 11:19: AM

Expert Answer:

Gravitational force F between two objects of masses m1 and m2 that are separted by a distance d is given as
 
F = G × [ m1 m2 ] / d2
 
Where G = 6.674 × 10-11 N m2 kg-2  is universal gravitational constant .
 
Let us substitute m1 = 2 kg  and m2 = 4 kg  and d = 10 m to get force F
 
F = [ 6.674 × 10-11 × 2 × 4 ] / ( 10 × 10 ) = 5.339 × 10-12 N
 

Answered by Thiyagarajan K | 7th Nov, 2021, 12:01: PM