Question: A safe is loaded onto a truck whose bed is 5.50 ft above the ground. The safe weighs 538 lb. (a) If the effort applied

A safe is loaded onto a truck whose bed is 5.50 ft above the ground. The safe weighs 538 lb.

(a) If the effort applied is 140 lb, what length of ramp is needed?

(b) What is the MA of the inclined plane?

(c) Another safe weighing 257 lb is loaded onto the same truck. If the ramp is 21.1 ft long, what effort is needed?


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