Physics · Mechanical Properties of Solids
Two wires of the same length and cross-sectional radius are joined end-to-end and loaded. The Young's moduli of the materials of the two wires are Y1 and Y2. If the combination behaves as a single wire, its equivalent Young's modulus Y is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Y = Y1 Y2Y1 + Y2
- 2Y = Y1 Y22 Y1 + Y2
- 3Y = 2 Y1 Y2Y1 + Y2✓
- 4Y = 2 Y1 Y23 Y1 + Y2
Correct answer
Y = 2 Y1 Y2Y1 + Y2
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