A uniform beam XY is 100 cm long and weighs 4.0 N.
The beam rests on a pivot 60 cm from end X.
A load of 8.0 N hangs from the beam 10 cm from end X.
The beam is kept balanced by a force F acting on the beam 80 cm from end X.
What is the magnitude of force F?

1 )
8.0 N
2 )
18 N
22 N
4 )
44 N
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