Question

Consider a porter standing on a platform with a suitcase which presses his head with a force of 200 N. If this force is taken to be action, then the reaction force is exerted by:

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Solution

The correct option is **A** The head on the suitcase.

When the suitcase is pressing the person's head, it is acting a force on his head. As stated by Newton's Third Law of motion, if there is a force, there must be an equal and opposite reaction force. Therefore, the reaction force is applied by the head on the suitcase.

When the suitcase is pressing the person's head, it is acting a force on his head. As stated by Newton's Third Law of motion, if there is a force, there must be an equal and opposite reaction force. Therefore, the reaction force is applied by the head on the suitcase.

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