Mechanics of Materials
11th Edition
ISBN: 9780137605460
Author: Russell C. Hibbeler
Publisher: Pearson Education (US)
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Chapter 1.2, Problem 19P
Determine the resultant internal loadings acting on the cross section of the hand crank al point A if a vertical force of 50 lb is applied to the handle. Assume the crank is fixed to the shaft at B.
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The boom DF of the jib crane and the column DE have a uniform weight of 50 lb>ft. If the supported load is 300 lb, determine the resultant internal loadings in the crane on cross-sections at points A, B, and C.
The rigid bar AB and CD are supported by pins at A and D. the vertical rods are made of aluminum and bronze. Determine the vertical displacement of the point where the force P= 10 kips is applied. Neglect the weight of the members.
Find the reaction at A due to the uniform loading and the applied couple. The force reaction is positive if upward, negative if
downward. The moment reaction is positive if counterclockwise, negative if clockwise.
3.8 kN/m
14.8 kN-m
A
3.9 m
3.9 m-
Answers:
RA =
i
kN
MA = i
kN-m
Chapter 1 Solutions
Mechanics of Materials
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