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Equilibrium

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In order to determine T1, where should a fulcrum be placed to eliminate T2? 2.0 m ... process using the ST = 0 with a fulcrum placed at T1. 2.0 m. Fwb. T1. T2 ... – PowerPoint PPT presentation

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Title: Equilibrium


1
Equilibrium
2
A 65 kg painter positions himself 1.5 m from the
left end of a 23 kg plank that is 4.0 m long.
The plank is supported on both ends by cables.
The painter places a 15 kg case of paint 1.0 m
from the right edge. What is the tension in each
cable?
3
Paint
4
2.0 m
Fwb
5
T1
T2
2.0 m
Fwb
6
T1
T2
2.0 m
1.5 m
Fwb
Fwm
7
T1
T2
2.0 m
1.0 m
1.5 m
Fwp
Fwb
Fwm
8
In order to determine T1, where should a fulcrum
be placed to eliminate T2?
9
T1
T2
4.0 m
2.5 m
2.0 m
1.0 m
Fwp
Fwb
Fwm
10
Using ST 0, T1 can now be determined.
11
How can T2 now be found?
12
Repeat the process using the ST 0 with a
fulcrum placed at T1.
13
T1
T2
4.0 m
3.0 m
2.0 m
1.5 m
Fwp
Fwb
Fwm
14
Use the First Law of Equilibrium SF 0
15
T1
T2
Fwp
Fwb
Fwm
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