Rigid bar ABC is supported by a pin at A and a 200 mm wide by 10-mm thick alumin

Question

Rigid bar ABC is supported by a pin at A and a 200 mm wide by 10-mm thick aluminum ( ) alloy bar at B. A strain gage affixed to the surface of aluminum bar is used to measure its longitudinal strain. Before load P is applied to the rigid bar at C the strain gage measure zero longitudinal strain at an ambient temperature of 20 degree C. After load P is applied on the rigid bar at C with the same ambient temperature of 20 degree C a longitudinal strain of 500 mu t is measured in the aluminum bar. Determine the stress in member (1) the magnitude of load P the change in the width of the aluminum bar what is the angle of the rigid bar ABC will be moved due to the load P If the rigid bar ABC is required to stay the same position as before applying the load P. what is the ambient temperature should be after applying the load P? then the change in the width of the aluminum bar Member (1) has its length of 2.0m. distance from A to B is 2.5m and distance from B to C is 2.0m

Explanation / Answer

What you do is multiply the amount of pressure times the temperature's conversion and then add the length of the bars. The angle due to the moved load is when you apply the number before and subtract it from 360. The ambient pressure would be 360 plus he number. The stress level is non applicable because there's no stress since the bar is too thick.

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