Before the invention of the electric refrigerator in 1913, people kept their food cool with blocks of ice in the home. (a) Calculate the work needed to lift a block of ice a vertical distance of . (b) What does the block have? (c) When the same block of ice is raised the same vertical distance by pushing it up a ramp, only of force is required. Calculate the work done to push the block up the ramp. (d) What does it have? (e) Draw a sketch of the ramp and determine the Mechanical Advantage of the ramp.
