Bob can either raise a crate 4 feet using a pulley or push a crate up a 4 foot tall ramp. If using the pulley takes 5 seconds and using the ramp takes 10 seconds, which method requires greater average power?
W) The pulley
X) The ramp
Y) Both methods take the same amount of average power
Z) It depends on how steep the ramp is
✔️Answer:W) THE PULLEY
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