Question

A child is on a frictionless ice surface. The child is carrying a backpack with books in it.

a) If the child uses action-reaction forces to move across a frictionless ice surface, explain where the forces originate.

b) Draw a Free Body Diagram showing action reaction pair

c) How could the child minimize time required to get off the ice?

d) Compare & contrast child’s strategy for getting off the ice with the operating principle of a rocket engine. Please indicate what a rocket engine expels that serves a similar purpose to backpack used in the child’s strategy.

Could you please help me with these questions? Thank you so much:)

Answer 1