Free Version
Easy

# Normal Force in an Accelerating Elevator

APPHMC-XUVLCM

A block of mass $m$ is on the floor of an elevator that has an acceleration of magnitude $a$ upward.

What is the normal force between the block and the floor of the elevator?

A

$mg$

B

$ma$

C

$mg+ma$

D

$mg-ma$

E

$0$