A boy is riding a bicycle. His bottom exerts a downward force of 40 N on the bicycle seat. What is the reaction force?Group of answer choices40 N in the forward direction40 N upward on the boy's bottom80 N down on the back wheel40 N on his legs
Question
A boy is riding a bicycle. His bottom exerts a downward force of 40 N on the bicycle seat. What is the reaction force?Group of answer choices40 N in the forward direction40 N upward on the boy's bottom80 N down on the back wheel40 N on his legs
Solution
The reaction force would be 40 N upward on the boy's bottom. This is due to Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. So, if the boy is exerting a downward force of 40 N on the bicycle seat, the seat is exerting an equal force of 40 N upward on the boy's bottom.
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