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Q: The maximum inclination of the plane at which a body can remain in equilibrium over the plane entirely by the assistance of friction is called the -----.
  • A. Angle of repose
  • B. Angle of friction
  • C. Angle of limiting equilibrium
  • D. Angle of tangent
Correct Answer: Option A - Angle of repose–It is defined as the maximum inclination of a plane at which a body remains in equilibrium over the inclined plane by the assistance of friction only.
A. Angle of repose–It is defined as the maximum inclination of a plane at which a body remains in equilibrium over the inclined plane by the assistance of friction only.

Explanations:

Angle of repose–It is defined as the maximum inclination of a plane at which a body remains in equilibrium over the inclined plane by the assistance of friction only.