The load is the weight of the rock that Jonathan lifts:

The effort instead is the force applied in input to the lever in order to lift the rock:

So, the ratio between load and effort for this exercise is

So, the ratio is 10:1.
Yes because of the smoke you are creating in the air
Answer:
Explanation:
70.0(5.00)(9.81) = 3,433.5 = 3430 N