Question

The beam in (Figure 1) is made from three boards nailed together as shown Part A If the moment acting on the cross section is $M = -550 \text{ N} \cdot \text{m}$, determine the resultant force the bending stress produces on the top board. Express your answer to three significant figures and include the appropriate units. F = .896 MPa

          The beam in (Figure 1) is made from three boards nailed together as shown
Part A
If the moment acting on the cross section is $M = -550 \text{ N} \cdot \text{m}$, determine the resultant force the bending stress produces on the top board.
Express your answer to three significant figures and include the appropriate units.
F = .896 MPa
        
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The beam in (Figure 1) is made from three boards nailed together as shown
Part A
If the moment acting on the cross section is M = -550  N·m, determine the resultant force the bending stress produces on the top board.
Express your answer to three significant figures and include the appropriate units.
F = .896 MPa

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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PartA Tho beamin gut made tromthree boards naed togetherasshown. e moment ctg on oss scton M550Nmete ine te eutant force the ending tress produces on the fop board Express your answer to three significant figures and include the appropriate units 896 MPa Figure 101 Submit Pryious Ans SutAser 25mm Incorrect ry Again3attemps remaining 150mm Provide:Feedback N 20mm 20 mm PPearson
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Transcript

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00:01 We'd like to determine the normal and sheer stress.
00:03 Our area of our cross section is equal to our width times our thickness.
00:08 So we multiply 0 .025 times 0 .06 to get 1 .5 times 10 to the negative 3 meter squared.
00:17 Our stress is equal to our tensile load acting p divided by area.
00:24 So our x is equal to 261 divided by 1 .5 times 10 to the negative 3.
00:30 And so if we divide 261 by 1 .5 times 10 to the negative 3, we get 174000 -pascals.
00:49 And sigma y is equal to 0.
00:54 Here our sheer stress is zero due to our absence of sheer force.
00:58 So, txy is equal to zero.
01:05 Okay, so now let's calculate our different...
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