PROBLEM 2. A bracket is loaded as shown in the figure. In order to determine the location and weight of a particular hanging load P, a strain rosette is attached to the top of the bracket near the wall (assume strain gages are at the wall). The rosette has three gauges, each are 120° apart as shown in the diagram. The bracket material is steel, E = 210 GPa and v = 0.3. When the weight, P, is placed at a distance, s, on the rectangular bracket arm, the three gauges measure the following strains, ɛ,=224.8 microstrain, E,=- 118.3 microstrain, &c=132.9 microstrain. From these three strains, determine the load, P, and the distance, s. 20 mm 12 mm 150 mm 1200 120° 1200

PROBLEM 2. A bracket is loaded as shown in the figure. In order to determine the location and weight of a particular hanging load P, a strain rosette is attached to the top of the bracket near the wall (assume strain gages are at the wall). The rosette has three gauges, each are 120° apart as shown in the diagram. The bracket material is steel, E = 210 GPa and v = 0.3. When the weight, P, is placed at a distance, s, on the rectangular bracket arm, the three gauges measure the following strains, ɛ,=224.8 microstrain, E,=- 118.3 microstrain, &c=132.9 microstrain. From these three strains, determine the load, P, and the distance, s. 20 mm 12 mm 150 mm 1200 120° 1200

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.2.6P: By what distance h does the cage shown in the figure move downward when the weight W is placed...

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