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)
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 | SaraNextGen Top Answer
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)
|
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 |
|||||||
|
a) |
|
b) |
|
c) |
|
d) |
|
(c)
For vertical equilibrium, 
.png)
Take moment about 
and 
For safe working, 
and
and 
,so the range is 