Question
Asked Sep 24, 2019
A 80.0 kg person is being pulled away from a burning building as shown in the figure below.
 
a) Calculate the tension (in N) in the first rope, T1, if the person is momentarily motionless. N
 
b) Calculate the tension (in N) in the second rope, T2, if the person is momentarily motionless. N
 
c) Include a free-body diagram in your solution. (Submit a file with a maximum size of 1 MB.)
15
T1
T2
.100
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15 T1 T2 .100

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Step 1

a)

The equation of motions at equilibrium is,

Tsin(10)+T cos(15)-(80)(9.8)
..)
T,cos(10)-7sin(15)
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Tsin(10)+T cos(15)-(80)(9.8) ..) T,cos(10)-7sin(15)

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Step 2

From equation (II)

T(0.984)-(0.259)
T 0.26327
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T(0.984)-(0.259) T 0.26327

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Step 3

Substitute the value in equation (I) to ge...

[0.26327|sin(10)+T,cos(15)-(80)(9.8)
0.457T+0966 784
T-550.95 N
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[0.26327|sin(10)+T,cos(15)-(80)(9.8) 0.457T+0966 784 T-550.95 N

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