Question

in which of the following situation is the conservation of momentum valid
A. when the external force is zero
B. when no force is acting
C. both A and B
D. none of these​

Answer 1

Answer:

It is valid when when no forces are acting and when the external force is zero.

Answer 2

Answer:

Option A is correct.

please mark me as brain list .

Explanation:

When the external Force is zero.

B-)