Question

A crate slides off the back of a flatbed truck that accelerated forward from rest. If the bed of the truck is frictionless, the crate falls off the back of the truck because
A. air friction pushes it backwards.
B. it moves forward with the truck but the truck goes too fast.
C. it is at rest and it tends to stay at rest.
D. it accelerates in the opposite direction of the truck.

Answer 1

The right answer should be B