12 A refrigerator can be lifted a distance of h using two methods One method, (2) called "lift involves lifting the refrigerator vertically using a forklift The other
method, called "push"Involves pushing the refrigerator up a ramp
Lift
Push
Ignore friction between the refrigerator and the ramp If the refrigerator is moved at
the same constant speed during both motions, which of the following statements are
true?
B
Less applied force is exerted on the refngerator during the "push
The refrigerator gains more mechanical energy during the lift"
More work is done on the refrigerator by the applied force during the
push
The refrigerator gains more mechanical energy during the "push
D