The force exerted by the floor of an elevator on the foot of a person standing there, is more than his weight, if the elevator is
A. going down and slowing down.
B. going up and speeding up.
C. going up and slowing down.
D. either (A) and (B).
Answer:D
The force exerted by the floor of an elevator on the foot of a person standing there, is more than his weight, if the elevator is
A. going down and slowing down. B. going up and speeding up. C. going up and slowing down. D. either (A) and (B).