Question:
A steel ring of radius r and cross sectional area 'A' is fitted on to a wooden disc of radius R (R > r). If the Young's modulus be Y, then what is the force with which steel ring is expanded?
A steel ring of radius r and cross sectional area 'A' is fitted on to a wooden disc of radius R (R > r). If the Young's modulus be Y, then what is the force with which steel ring is expanded?
Updated On: Oct 4, 2024
- \(\frac{AYR}{r}\)
- \(\frac{AR}{Y_r}\)
- \(\frac{A}{Y}(\frac{r}{R-r})\)
- \(AY(\frac{R-r}{R})\)
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The Correct Option is D
Solution and Explanation
The correct option is (D): \(AY(\frac{R-r}{R})\)
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