The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of the person if the elevator is :
The force exerted by the floor of an elevator on the foot of a person standing there is more than the weight of the person if the elevator is :
A. Going up and slowing down
B. Goint up and speeding up
C. Going down and slowing down
D. Going down and speeding up
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