Question
A man jumps off of a paddle board into a lake as shown below.
If the man's feet pushing the paddle board is the action force, then which of the following is the reaction force?
A.
water pushing up on the paddle board
B.
water pushing up on the man's feet
C.
the paddle board pushing back on the man's feet
D.
the paddle board pushing down on the water
If the man's feet pushing the paddle board is the action force, then which of the following is the reaction force?
A.
water pushing up on the paddle board
B.
water pushing up on the man's feet
C.
the paddle board pushing back on the man's feet
D.
the paddle board pushing down on the water
Answers
Answered by
GPT-5 mini
C. the paddle board pushing back on the man's feet
By Newton's Third Law: if the man's feet push on the board, the reaction is the board pushing on his feet with equal magnitude and opposite direction.
By Newton's Third Law: if the man's feet push on the board, the reaction is the board pushing on his feet with equal magnitude and opposite direction.