The angle of repose is the maximum angle at which debris, sand, or rock of a given size can rest before the force of gravity causes it to slide downslope.

Question

Quizplus · Accepted Answer

The angle of repose is indeed the maximum angle at which debris, sand, or rock can rest before it starts sliding downslope due to the force of gravity. This angle is determined by factors such as the size and shape of the particles, as well as their cohesion and the presence of moisture.

The Angle of Repose Is the Maximum Angle at Which