The upper end of a wire of radius \( 4 \mathrm{~mm} \) and length \( 100 \mathrm{~cm} \) is clam... VIDEO
The upper end of a wire of radius \( 4 \mathrm{~mm} \) and length \( 100 \mathrm{~cm} \) is clamped and its other end is twisted through an angle of \( 30^{\circ} \). Then angle of shear is [NCERT 1990; MP PMT 1996]https://bit.ly/YTAI_PWAP https://www.pw.live
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