Q1. A 2.66 kg block is pushed along a horizontal floor by force p = 138N directed at an angle theta=24.8 degrees below the horizontal. The coefficient of kinetic between the block and the floor is 0.25. Calculate a) the magnitude of frictional force on the block and b) the acceleration of the block.
Q2. A 124 lb student on a steadily rotating ferris wheel has an apparent weight of 50.16lb at the highest point, a) what is the student's apparent weight a the lowest point? b) what is the student's apparent weight at the highest point, if the wheel's speed is doubled?