Why Do Floating Logs Move in the Opposite Direction When You Walk on Them?

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SUMMARY

When walking on a floating log in water, the log moves in the opposite direction due to the conservation of momentum. As a person exerts a force on the log while walking, the log reacts by moving in the opposite direction to conserve the overall momentum of the system. This phenomenon is a direct application of Newton's third law of motion, which states that for every action, there is an equal and opposite reaction. Understanding this interaction requires a grasp of fundamental physics concepts such as momentum and forces.

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Homework Statement


When you walk along a floting log in water, why does it move in the opposite direction?

Is it because of the friction from you walking pushes the log in the opposite direction, or is there something else?
 
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Fusilli_Jerry89 said:
Is it because of the friction from you walking pushes the log in the opposite direction, or is there something else?
Well obviously there must be some connection, no ?

You need to investigate a whole lot deeper. Your explanation is not really "what doing physics is all about", wouldn't you say ?

GENERAL HINTS :

1) think of conservation of ... (energy, "linear" momentum, etc etc)
2) what changes in the log's initial state as you walk on it (the answer is in my answer) ?

marlon
 

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