B E a e 1.21 in 0.54 in 1.04 in 2.02 in 1.94 in A force of P = 18.8 Ib is required to pull the stopper (DE). The dimensions of the symetrical stopper-puller device are given in the table above. Determine the internal forces acting on member BCD given in the table below. Also, determine the minimum pin diameter for pin C given that it is made of cast aluminum and has a factor of safety of 3.8 against fracture. Forces: (Denote rightward or upward forces with positive values; leftward or downward forces with negative values.) -0 *-
B E a e 1.21 in 0.54 in 1.04 in 2.02 in 1.94 in A force of P = 18.8 Ib is required to pull the stopper (DE). The dimensions of the symetrical stopper-puller device are given in the table above. Determine the internal forces acting on member BCD given in the table below. Also, determine the minimum pin diameter for pin C given that it is made of cast aluminum and has a factor of safety of 3.8 against fracture. Forces: (Denote rightward or upward forces with positive values; leftward or downward forces with negative values.) -0 *-
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I'm not sure where to start with this problem. My first instinct is to do a moment balance at one of the pins, but when I try to do so, I have multiple unknowns and only one equation to work with.
Transcribed Image Text:B
E
a
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1.21 in 0.54 in 1.04 in 2.02 in
1.94 in
A force of P = 18.8 Ib is required to pull the stopper (DE). The dimensions of the symetrical stopper-puller device are given in the table above. Determine the
internal forces acting on member BCD given in the table below. Also, determine the minimum pin diameter for pin C given that it is made of cast aluminum and has
a factor of safety of 3.8 against fracture.
Forces: (Denote rightward or upward forces with positive values; leftward or downward forces with negative values.)
-0 *-
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