ator up a ramp into a house. The refrigerator
has a mass of 106 kg . The ramp is 1.6 m long
and rises 0.192 m. The mover pulls the dolly
with constant velocity and with a steady force
of 497 N up the ramp. The dolly and ramp
constitute a machine.
The acceleration of gravity is 9.8 m/s2 .
What work does the mover do?
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