Two bodies in contact experience forces in ________
(a) Same direction
(b) Opposite directions
(c) Perpendicular directions
(d) Five different directions
The question was posed to me in final exam.
This intriguing question comes from Newton’s Third Law of Motion in chapter Laws of Motion of Physics – Class 11
Select the correct answer from above options
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Correct choice is (b) Opposite directions
Easy explanation: The two bodies in contact will follow Newton’s third law of motion. The third law states that for every action there is an equal and opposite reaction. The two bodies will experience each other’s reaction forces in opposite directions.