Last Updated On 01-06-2023 - By Jeesha Sara
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 :-
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 
Next Question :
|
A convex mirror used for rear-view on an automobile has a radius of curvature of 3.00 m. If a bus is located at 5.00 m from this mirror, find the size of the image. |
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(a) |
0.32 m |
(b) |
0.23 m |
(c) |
0.87 m |
(d) |
1.15 m |
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