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A horizontal uniform beam AB of length 4...

A horizontal uniform beam AB of length 4m and a mass of 20 kg is supported at the end B by means of a string which passes over a fixed, smooth pulley supporting a counterbalancing weight of 8 kg on the other side. What force, F when applied at the point A in a suitable direction, will hold the beam in static equilibrium ?

A

`F = 160 N`

B

`f = 40 sqrtN`

C

`F=(200 - 80sqrt3)N`

D

no force F, as specified, can hold the beam in static equilibrium

Text Solution

Verified by Experts

The correct Answer is:
B
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