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Chapter 4: Problem 8

In paddling a canoe, you push water backward with your paddle. What force actually propels the canoe forward?

Short Answer

Expert verified
The force that actually propels the canoe forward is the reaction force to the action of pushing water backwards with the paddle. This is based on Newton's third law of motion.

Step by step solution

01

Determine the action

When paddling a canoe, the action is the force exerted by the paddle pushing the water backward.
02

Apply Newton's third law of motion

According to Newton's third law of motion, this action (pushing water backward) will result in an equal and opposite reaction.
03

Identify the reaction

In this case, the reaction to the action (pushing water backward) is the force that propels the canoe forward. This force is of equal magnitude but in the opposite direction.

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