Explore BrainMass
Share

Explore BrainMass

    Physics: mover's dolly transports a refrigerator up a ramp

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    A mover's dolly is used to transport a refrigerator up a ramp into a house. The refrigerator has a mass of 108 kg. The ramp is 2.10 m long and rises 0.850 m. The mover pulls the dolly with a force of 508 N up the ramp. The dolly and ramp constitute a machine.

    (a) What work does the mover do?
    ________ J
    (b) What is the work done on the refrigerator by the machine?
    ________ J
    (c) What is the efficiency of the machine?
    __________ %

    © BrainMass Inc. brainmass.com October 10, 2019, 12:16 am ad1c9bdddf
    https://brainmass.com/physics/work/physics-movers-dolly-transports-refrigerator-up-ramp-285117

    Solution Preview

    a.

    Work done by the mover = Applied force * distance that he pulls the refrigerator-dolly ...

    Solution Summary

    The expert examines how mover's use a dolly to transport a refrigerator up a ramp.

    $2.19