A dump truck has a loosely tied canvas over its empty bed, which is full of still air. As the truck speeds down the highway, the canvas will tend to
A) get pushed onto the load.
B) billow outward from the load.
C) smooth out in a level, horizontal plane.
D) lay limply in a jumbled pile.

Question

Quizplus · Accepted Answer

As the truck speeds down the highway, the air in the truck bed will experience wind resistance and will tend to move outwards. This will cause the canvas to billow outward from the load.

A Dump Truck Has a Loosely Tied Canvas Over Its