My work was very sloppy and would not really make sense, and yes it would slide down the ramp, check your calculations. I also would not think that the masses would matter, but they were given in the problem and I am not a master of physics, so I am not sure.
A steel washer is suspended inside an empty crate from a light string attached to the top of the crate. The crate slides down a long ramp that is inclined at an angle of 37 above the horizontal. The crate has mass 154 kg. You are sitting inside the crate; your mass is 61 kg. As the crate is...