7. A body having a weight of 60 N rests on a smooth plane inclined at 30° to the horizontal. Determine (a) the horizontal force required to prevent the body from sliding down the plane, (b) the value and direction of the least force required to pull the body up the plane.

7. A body having a weight of 60 N rests on a smooth plane inclined at 30° to the horizontal. Determine (a) the horizontal force required to prevent the body from sliding down the plane, (b) the value and direction of the least force required to pull the body up the plane.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

7. A body having a weight of 60 N rests on a smooth plane inclined at 30°
to the horizontal. Determine (a) the horizontal force required to prevent
the body from sliding down the plane, (b) the value and direction of the
least force required to pull the body up the plane.

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text Book answer has 34.6 N and 30 N Parallel to Plane

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