A) The head, on the suitcase
B) The earth, on the suitcase
C) The earth, on the porter
D) The suitcase, on the earth
Correct Answer: A
Solution :
According to Newton's 3rd law of motion, for every action there is an equal and opposite reaction. So, the head of the porter exerts a force of 200 N on the suitcase. This is the reaction.You need to login to perform this action.
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