at 25o? A crate of books is to be put on a truck with the help of some planks sloping up at 25o. The mass of the crate is 50 kg, and the coefficient of sliding friction between it and the planks is 0.6. You and your friends push horizontally with a force ~F .
The acceleration of gravity is 9.81...
I am having some issues understanding how to use the formula(s) to solve this. Our professor is Eastern European and difficult to understand at times. Could someone please help me understand how to do this in some detail please. (I understand the free body diagram, how the forces are...