A rectangular beam with semicircular notches has dimen sions $h = 160 \mathrm {~mm} \text { and } h _ { 1 } = 140 \mathrm {~mm}$ maximum allowable bending stress in the plastic beam is $\sigma _ { \max } = 6.5 \mathrm { MPa }$

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The Answer of A rectangular beam with semicircular notches has dimen sions $h = 160 \mathrm {~mm} \text { and } h _ { 1 } = 140 \mathrm {~mm}$ maximum allowable bending stress in the plastic beam is $\sigma _ { \max } = 6.5 \mathrm { MPa }$

A Rectangular Beam with Semicircular Notches Has Dimen Sions h=160 mm and h1=140 mmh = 160 \mathrm {~mm} \text { and } h _ { 1 } = 140 \mathrm {~mm}h=160 mm and h1​=140 mm

A Rectangular Beam with Semicircular Notches Has Dimen Sions $h = 160 \mathrm {~mm} \text { and } h _ { 1 } = 140 \mathrm {~mm}$