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A 12-foot extension ladder is placed against a wall To achieve the proper climbing angle approximately how far should the bottom of the ladder be from the base of the wall?
I've heard it said that the vertical should be 4 times the size of the base (of the right angle triangle). Therefore if a 12 foot ladder would reach about an 11 foot vertical, it would be placed just under 3 feet from the wall.I've also seen it said that the angle should be 75.5 degrees.Personally I do not agree with an absolute. At heights under 10 feet, your center of gravity (especially if you are a very large person) might cause the ladder to move away from the wall while you are climbing, therefore a more shallow angle may be appropriate.At heights over 20 feet, I like to ensure good pressure against the wall when I am at the top. This feels more secure on a windy day. A more shallow angle can help, but ONLY if the base of the ladder is braced. For instance I've braced the bottom against a big tree, or a long plank that spans between the two wheels of a car.At heights over 25 feet especially you've just got to rule out all variables because it only takes one fall in a thousand trips up a ladder to end your fun (income, health, life). Stand back and look at your angles, test how the ladder feels as you go up, adjust as many times as you have to, brace the bottom, tie off the top, never compromise.
How long must a ladder be if it is placed 6 feet from a wall that is twenty four feet high?
That's going to depend heavily on two things:-- Do you want to be able to stand the ladder up and lean it against the wall ?-- How high above the ground do you want the ladder to hit the wall ?You haven't really said anything about these specifications in your question.If you want the ladder to lean against the wall, and hit it exactly at the top that is24-ft high, then the length of the ladder must besqrt( [6]2 + [24]2 ) = sqrt( 36 + 576 ) = sqrt(612) = 24.739 ft (rounded)
What does the roman numeral iiix stand for?
It is not a properly formed Roman numeral. The I represents one. The x represents ten. This could be 13, but the I's should follow the x.
What does DWT stand for?
What does DWT stand for on digital scale
What does N stand for in maths?
It doesn't "stand for" anything. And wrong category.
Ladder stand 10 foot tall when braced against a wall the bottom of the ladder is 6 foot away from the wall how far up the wall does the ladder go?
assuming the wall and ground make a 90 degree angle with one another, Pythagorean's Theorem states the ladder will go 8 feet up the wall.
Why is your water heater on a stand?
For earthquake protection. It is also braced to a wall.
How do you paint stain on ceiling?
Stand on a ladder
What does L stand for on a soccer ladder?
50
Pyhtagorean Theorem A firefighter has a 22-foot ladder If he stand the bottom of the ladder 7 feet from the base of a building will the ladder be long enough to reach a window 19 feet from the groun?
he should bud the ladder so it wouldn't be able to reach
How do you stand properly?
on your feet
What is the highest rung from the top you can stand on when using a stright ladder?
It is recommended to stand on the second-highest rung from the top of a straight ladder for safety reasons. Standing on the very top rung can lead to instability and increase the risk of falling.
Can the flute stay on a piccolo stand?
no properly
The device used to adapt ladders for use as a scaffold is?
A ladder scaffold bracket is a device used to adapt ladders for use as a scaffold. It securely attaches to the ladder to provide a stable platform for workers to stand on while working at heights.
What happens if someone does not have a backbone?
if we dont have any backbone we can not stand properly or we cant even stand
Where can one purchase large ladder platforms?
You can purchase a large ladder platform or stand from your local Home Depot store. You can also purchase one online from the Amazon website and have it shipped directly to your house.
A 12-foot extension ladder is placed against a wall To achieve the proper climbing angle approximately how far should the bottom of the ladder be from the base of the wall?
I've heard it said that the vertical should be 4 times the size of the base (of the right angle triangle). Therefore if a 12 foot ladder would reach about an 11 foot vertical, it would be placed just under 3 feet from the wall.I've also seen it said that the angle should be 75.5 degrees.Personally I do not agree with an absolute. At heights under 10 feet, your center of gravity (especially if you are a very large person) might cause the ladder to move away from the wall while you are climbing, therefore a more shallow angle may be appropriate.At heights over 20 feet, I like to ensure good pressure against the wall when I am at the top. This feels more secure on a windy day. A more shallow angle can help, but ONLY if the base of the ladder is braced. For instance I've braced the bottom against a big tree, or a long plank that spans between the two wheels of a car.At heights over 25 feet especially you've just got to rule out all variables because it only takes one fall in a thousand trips up a ladder to end your fun (income, health, life). Stand back and look at your angles, test how the ladder feels as you go up, adjust as many times as you have to, brace the bottom, tie off the top, never compromise.
