# Two painters are working from a wooden board 5 m long suspended from the top of a building by two ropes attached to the ends of the plank. Either rope can withstand a maximum tension of 1040 N. Painter  of mass 80 kg is working at a distance of 1 m from one end. Painter  of mass 60 kg is working at a distance of m from the centre of mass of the board on the other side. Take mass of the board as 20 kg and . The range of so that both the painter can work safely is a) b) c) d)

## Question ID - 100080 :- Two painters are working from a wooden board 5 m long suspended from the top of a building by two ropes attached to the ends of the plank. Either rope can withstand a maximum tension of 1040 N. Painter  of mass 80 kg is working at a distance of 1 m from one end. Painter  of mass 60 kg is working at a distance of m from the centre of mass of the board on the other side. Take mass of the board as 20 kg and . The range of so that both the painter can work safely is a) b) c) d)

3537

(c)

For vertical equilibrium,

and

For safe working, and

and ,so the range is

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