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Two bodies with masses M(1) and M(2) are...

Two bodies with masses `M_(1)` and `M_(2)` are initially at rest and a distance `R` apart. Then they move directly towards one another under the influence of their mutual gravitational attraction. What is the ratio of the distances travelled by `M_(1)` to the distance travelled by `M_(2)`?

A

`M_1/M_2`

B

`M_2/M_1`

C

1

D

`1/2`

Text Solution

Verified by Experts

The correct Answer is:
B
Because the gravitational force is the mutual force, hence the position of centre of mass remains unaffected.
`therefore M_1R_1=M_2R_2` or `R_1/R_2=M_2/M_1`
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