A wire of length 1 m and radius 2 mm is vertically clamped. The lower end is twisted through an angle of 45 ° . The angle of shear is _____

Question

A wire of length 1 m and radius 2 mm is vertically clamped. The lower end is twisted through an angle of 45 ° . The angle of shear is _____, 0 . 09 °, 0 . 9 °, 9 °, 90 °

MARKS App · Accepted Answer

from figure tan ϕ = r sin θ l here θ and ϕ are small ⇒ ϕ = r θ l = 2 × 10 - 3 × 45 1 = . 09 °

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