Question

if Newton 's third law of motion is written in the from F21=F12 what is the mistake? ​

Answer 1

Answer:

the mistake is f21 is F12 the answer should be at 21 is equal to 21

Answer 2

Answer:

F12

Explanation:

Because according to Newton's Third Law of motion every action has equal and opposite reaction.

But in this question the action is F21 but reaction is F12 So this is the mistake.