How much lb could an average person push?

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The discussion centers on determining how much weight an average person can push, particularly in the context of pushing a door with resistance. Key factors include the average weight of a person and the coefficient of static friction between surfaces. A practical suggestion is to use a spring-type bathroom scale to measure the force exerted while pushing against a wall, providing a direct answer based on individual capability. The conversation emphasizes that experimental methods can yield more accurate results than theoretical assumptions. Overall, hands-on testing is encouraged to better understand this physical capability.
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e.g. pushing a door with x-lbs of resistance, assuming a person is exerting force perpendicular to the door, 36" from hinge. What is that x-lbs (max) an average adult could pushing with ease?

Thanks
 
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This is really a question of two related parameters:

1. How heavy is the average person?

2. What is the average coefficient of static friction (for all combination of surfaces), i.e., what is 'typical'?

When you answer these two, you should be able to extract an answer.
 
Why don't you find a spring-type bathroom scale, hold it up against a wall, and push. What does the scale read? There's your answer (if you are 'average,' whatever that means). :smile:
 
"Why don't you find a spring-type bathroom scale, hold it up against a wall, and push."

Thanks!
 
gmax137 said:
Why don't you find a spring-type bathroom scale, hold it up against a wall, and push. What does the scale read? There's your answer (if you are 'average,' whatever that means). :smile:

I like this solution. Sometimes experiment is the way to go. Theory can help you only so much because of all the assumptions that one has to make to approximate any real world situation. =]
 
I think it's easist first to watch a short vidio clip I find these videos very relaxing to watch .. I got to thinking is this being done in the most efficient way? The sand has to be suspended in the water to move it to the outlet ... The faster the water , the more turbulance and the sand stays suspended, so it seems to me the rule of thumb is the hose be aimed towards the outlet at all times .. Many times the workers hit the sand directly which will greatly reduce the water...
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