The 1.5-in.-diameter shaft AB is made of a grade of steel with a 42-ksi tensile yield stress. Using the maximum-shearing-stress criterion, d

Question

The 1.5-in.-diameter shaft AB is made of a grade of steel with a 42-ksi tensile yield stress. Using the maximum-shearing-stress criterion, determine the magnitude of the torque T for which yield occurs when P = 56 kips. (Round the final answer to two decimal places.)

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Hải Đăng 4 years 2021-08-28T11:10:11+00:00 1 Answers 59 views 0

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  1. thuhuong
    0
    2021-08-28T11:12:05+00:00
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    Answer:

    T = 0.03 Nm.

    Explanation:

    d = 1.5 in = 0.04 m

    r = d/2 = 0.02 m

    P = 56 kips = 56 x 6.89 = 386.11 MPa

    σ = 42-ksi = 42 x 6.89 = 289.58 MPa

    Torque = T =?

    Solution:

    σ = (P x r) / T

    T = (P x r) / σ

    T = (386.11 x 0.02) / 289.58

    T = 0.03 Nm.

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