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1. |
A strain gauge oriented in a direction at an angle θ with x-axis, measures: |
A. | εxsin2 θ + εycos2 θ + τxycos θ sin θ |
B. | εx cos2 θ + εy sin2 θ + 2τxy cos θ sin θ |
C. | εx cos2 θ + εy sin2 θ + τxy cos θ sin θ |
D. | εx cos2 θ + εy sin2 θ - τxy cos θ sin θ |
Answer» D. εx cos2 θ + εy sin2 θ - τxy cos θ sin θ | |