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Grade: 12th pass
`        The ladder shown in figure has negligible mass and rest on frictionless floor. The angle between the two legs of ladder is 600. The fat person of 80kg is sitting on ladder. Find the contact force exerted by the floor and the tension in crossbar.`
one year ago

## Answers : (2)

Eshan
askIITians Faculty
2095 Points
```							The vertical normal force will just try to balance the weight of the man from above. Hence 2N=mg$\implies N=400$
```
one year ago
Pratyush
13 Points
```							Contact force =N+N =2N2N=80g.                           (g=9.8)N=392Torque equation for left side in earlier So we take angle as 30°N(2)tan30°=T(1)2N*1/√3=TT=2N/√3T= 450N If u take g = 10 then answer will be 470.58
```
one year ago
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