An 80 kg hunter gets a rope around a 400 kg polar bear. They are stationary and on frictionless level ice, initially 60 m apart.
When the hunter pulls the polar bear to
him, the polar bear will move:
1. 48 m
2. 30 m
3. 50 m
4. 12 m
5. 10 m

Question 1(multiple choice worth 2 points) in order to be considered work, the components that must be present are • a force and a movement in the same direction as the force an action which causes movement and an opposite reaction an action which causes no movement or reaction a force and a movement in the opposite direction of the force