You are in an elevator which is moving upward at a constant velocity of 10 m/s. The floor pushes up against your feet with a force

(A) equal to your weight.
(B) equal to twice your weight.
(C) less than your weight.
(D) of zero.

Questions --- What this question is about
17.3


























































You are in an elevator which is moving upward at a constant velocity of 10 m/s. The floor pushes up against your feet with a force

(A) equal to your weight. --- Yes.
You are in equilibrium
and must feel zero total force.

Check the other answers.
Questions --- What this question is about
17.3





































































You are in an elevator which is moving upward at a constant velocity of 10 m/s. The floor pushes up against your feet with a force

(B) equal to twice your weight. --- No.
No. That would be true for a constant
upward acceleration of 10 m/s.

Try again.
Questions --- What this question is about
17.3





































































You are in an elevator which is moving upward at a constant velocity of 10 m/s. The floor pushes up against your feet with a force

(C) less than your weight. --- No.
You would then accelerate downward
(through the floor).

Try again.
Questions --- What this question is about
17.3





































































You are in an elevator which is moving upward at a constant velocity of 10 m/s. The floor pushes up against your feet with a force

(D) of zero. -- No.
The force of gravity would then
cause you to fall through the floor.

Try again.
Questions --- What this question is about
17.3