Calculate the force and the total work required in each case

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Q. two movers have to lift a refrigerator onto a truck. one of the movers want to lift the refrigerator vertically but the other mover wants to roll it up a ramp by applying a force parallel to the ramp. assume the height of the truck is 1.5 m the length of the ramp is 5 m and the weight of the refrigerator is 1200 N. Calculate the force and the total work required in each case. which method is easier?

Q. A loudspeaker of mass 25.0 kg is suspended a distance of h = 1.40 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 3.50 m. Find the tension in each of the cables.

Reference no: EM1363814

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