MecMovies 4.0 : M2.4: Normal Strain in Rotating Mechanism

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Chapter 2: Strain
M2.4: Normal Strain in Rotating Mechanism

State the Problem

State the Problem
Table of Contents
Rigid Plate Deflection at D
Rigid Plate Deflection at B
Compute Normal Strain in Rod (1)

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The figure shows a rigid triangular plate B C D which is pinned at C, supported at B by a horizontal rod of length 1200 millimeters and supported at D by a vertical post of height 600 millimeters. The clearance between the post and the plate is 1.5 millimeters. The post is fixed to the ground at E and the rod is fixed to a wall at A. The plate has dimensions 600 millimeters along C D and 480 millimeters along B C. A load P directed vertically downwards acts on the plate.

The load $P$ produces a normal strain of $- 1, 800 με$ in post $(2)$ . Determine the normal strain in rod $(1)$ .

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