Answer Happy

2. The figure below shows a wheel rolling without slipping on a surface. When the wheel is at location A, the surface is horizontal and the wheel is moving to the right. At location B, the surface is sloped and the wheel is rolling uphill and to the right. The arrows in the figure only indicate the direction of motion. B A (a) Draw a proper free body diagram of the wheel when it is at location B. (b) When the wheel is at location B, is there friction from the surface acting on the wheel? If so, in which direction does the friction act on the wheel? Provide a rigorous argument based on the Newton-Euler Principle.