A block placed at the top of a ball of radius R slides down its surface from rest. In the presence of friction, does the block fly off at a greater angle than if there is no friction? Assume that the mass of the block is M.

• A. In the presence of friction, the block flies off at a greater angle than if there is no friction.
• B. In the presence of friction, the block flies off at a smaller angle than if there is no friction.
• C. In the presence of friction, the block flies off at the same angle.
• D. Not enough information is provided to come to a conclusion.

Answer: (A)