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Physics 20 Online
OpenStudy (jaredstone4):

A student is pushing a crate up a 20 degree incline. The crate has a mass of 20kg, and the coefficient of friction between the crate and the incline is 0.25. a) draw a FBD (this part I got) b) Calculate the normal force between crate & incline c) Calculate the frictional force between crate & floor

OpenStudy (jaredstone4):

I have the answers as b) 184.2 N and c) 46 N but I'm unsure how to arrive at those conclusions

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