A truck pulls boxes up an incline plane. The truck can exert a maximum force of #4,800 N#. If the plane's incline is #(2 pi )/3 # and the coefficient of friction is #9/8 #, what is the maximum mass that can be pulled up at one time?

1 Answer
Gió
Mar 1, 2017

I found #342kg# but I made some assumptions:

Explanation:

I was not sure about the angle so I tried a possible configuration.

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In * I consider the acceleration of the truck as zero meaning that is about to move;
In * * I rounded down the value to say that is a bit less than the value obtained so that the truck will certainly move. Also this value will be the sum between the mass of the load AND of the truck itself.

Have a look at the maths anyway...only to be on the safe side!

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