1. Find the mechanical advantage of the compound machine in Problem 1 if the inclined plane is 8.00 m long and 2.00 m high.

2. What effort force is needed to move a box of weight 2500 N to the platform in Problem 6?

3. Find the mechanical advantage of the compound machine in Problem 3 if the radius of the crank is 40.0 cm, the radius of the axle is 12.0 cm, the length of the inclined plane is 12.0 m, and the height of the inclined plane is 50.0 cm.

4. If an effort of N is exerted in Problem 8, what weight can be moved up the inclined plane?

5. What effort force (in N) is needed to move 2.50 metric tons up the inclined plane in Problem 8?