NEET Physics Mathematical Tools Questions Solved


A bar of mass M and length L is hanging from point S as shown in figure. The Young's modulus of elasticity of the wire is Y and the area of cross-section of the wire is A. Find total elongation in bar.

[This question is only for Dropper and XII batch]

                                           

1. MgLAY

2. MgL2AY

3. 2MgLAY

4. 3MgL2AY

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