Question

The angle which the rough inclined plane makes with the horizontal when the body placed on it just starts sliding down is called _____

Answer 1

Answer: Angle of repose.

Answer 2

"The angle which the rough inclined plane makes with the horizontal when the body placed on it just starts sliding down is called Angle of Repose."

• Two bodies make a plane of contact, this plane of contact makes some angle with the horizontal when one body is kept over the other.
• The body is kept just at the point of sliding. A little vibration can cause the movement of the body on top.
• The formula for the angle of repose is tan-1(2h/d) -h.

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