The 500 lb load is being hoisted at a constant speed using the motor M, which has a weight of 50 lb. The beam has a weight of 40
lb/ft and is fixed to the wall at A. Find axial, shear force and bending moment at point B. (Radius of the pulley wheel is 1 ft)
1 answer:
Answer:
The answer and explanation is attached.
Explanation:
The 500 lb load is being hoisted at a constant speed using the motor M, which has a weight of 50 lb. The beam has a weight of 40 lb/ft and is fixed to the wall at A. Find axial, shear force and bending moment at point B. (Radius of the pulley wheel is 1 ft)
The answer and explanation is attached.
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Answer:
86 mm
Explanation:
From the attached thermal circuit diagram, equation for i-nodes will be
Equation 1
Similarly, the equation for outer node “o” will be
Equation 2
The conventive thermal resistance in i-node will be
Equation 3
The conventive hermal resistance per unit area is
Equation 4
The conductive thermal resistance per unit area is
Equation 5
Since is given as 100,
is 40
is 300
is 25
Substituting the values in equations 3,4 and 5 into equations 1 and 2 we obtain
Equation 6
Equation 7
From equation 6 we can substitute wherever there’s with 3000L+40 as seen in equation 7 hence we obtain
The above can be simplified to be
-3000L=1.665-260
Therefore, insulation thickness is 86mm
