22, A folding chair diagram is shown in the following. Determine the pin reactions at each joint, neglecting selfweight of all components. A and B are both to be considered as smooth surfaces.
22, A folding chair diagram is shown in the following. Determine the pin reactions at each joint, neglecting selfweight of all components. A and B are both to be considered as smooth surfaces.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Chapter 4-Exercises
159
22., A folding chair diagram is shown in the following. Determine the pin reactions at each
joint, neglecting selfweight of all components. A and B are both to be considered as
smooth surfaces.
MAR
17
D
A
2.5 ft, 2.5 ft,
5 ft
20 b
40 lb
E
C
10 ft
B
23. A jaw force of 100 lb is required to hold onto a bolt. The pair of pliers has a handle
length of 3 in. (i.e., the length from the pin to the handle force) and a jaw length of 1/2 in.
(i.e., the length from the pin to the jaw force). How much input force is required?
24. A 1/2 in. diameter bolt will be "cut" with an applied force from a bolt cutter of 2000 lb.
If the handle force that can be generated is a maximum of 100 lb, what minimum handle
length is necessary if the jaw length is 11/2 in.?
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