The diagram below shows a small equipment shelf in a workshop. There is a distributed load on the shelf from a box of tools and a concentrated load applied at B. The shelf is a cantilever beam that is supported at one end only by being bolted to the wall at A. There is a small crack at C, which is the weakest part of the shelf. Determine the normal force Nc, shear force Vc and bending moment Mc at the crack for the next three

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter1: Tension, Compression, And Shear
Section: Chapter Questions
Problem 1.6.5P: An aluminum bar has length L = 6 ft and diameter d = 1.375 in. The stress-strain curse for the...
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1. Please help me answer this mech. engineering question.
The diagram below shows a small
equipment shelf in a workshop. There
is a distributed load on the shelf from
a box of tools and a concentrated load
applied at B. The shelf is a cantilever
beam that is supported at one end
only by being bolted to the wall at A.
There is a small crack at C, which is
the weakest part of the shelf.
Determine the normal force Nc, shear
force Vc and bending moment Mc at
the crack for the next three
questions. Work in Newtons and
meters but do not include units in
your answers. Include negative signs
in your answers if appropriate.
20 N
60°
0.6 m
120 N/m
0.18 m
+0.15 m+
+0.2 m-
0.45 m
Transcribed Image Text:The diagram below shows a small equipment shelf in a workshop. There is a distributed load on the shelf from a box of tools and a concentrated load applied at B. The shelf is a cantilever beam that is supported at one end only by being bolted to the wall at A. There is a small crack at C, which is the weakest part of the shelf. Determine the normal force Nc, shear force Vc and bending moment Mc at the crack for the next three questions. Work in Newtons and meters but do not include units in your answers. Include negative signs in your answers if appropriate. 20 N 60° 0.6 m 120 N/m 0.18 m +0.15 m+ +0.2 m- 0.45 m
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