Recent content by siyujiang81

I agree fully with your answer. Just to show that it is correct, I will solve the same problem by using the definition of pressure as the ratio of the perpendicular force applied to a surface to the area of the surface. Consider a thin cylinder sliced from the surface (##r = R##) to an...

I found the following problem on the 2009 F = ma exam. 24. A uniform rectangular wood block of mass M, with length b and height a, rests on an incline. The incline and the wood block have a coefficient of static friction, μs. The incline is moved upwards from an angle of zero through an angle...