Angle of repose
Angle of friction
Angle of inclination
None of these
Answer is Right!
Answer is Wrong!
The correct answer is: A. Angle of repose
The angle of repose is the maximum angle at which a granular material can be piled without slumping. It is also the angle at which an inclined surface makes with the horizontal when a body placed on it is on the point of moving down.
The angle of repose is a measure of the stability of a granular material. It depends on the properties of the material, such as its shape, size, and moisture content. The angle of repose is also affected by the force of gravity.
The angle of repose is an important concept in many fields, such as civil engineering, mining, and agriculture. It is used to design stable slopes and to prevent landslides.
The other options are incorrect because:
- Option B, angle of friction, is the angle between the direction of the force of friction and the normal force.
- Option C, angle of inclination, is the angle between a line and the horizontal.
- Option D, none of these, is incorrect because the answer is A.