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A ladder can be useful in rescuing someone from a frozen pond because it can be extended out to them. From there, the ladder can be used to bring them onto dry land, or a larger, more sturdy piece of ice.
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∙ 9y ago
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Simple machine is a ladder?
i have no idea!! I would say, yes as a ladder makes work easier. It is simple as to not have moving parts. Sq-beats
What happens to the energy that is not usefully transferred by the solar cells?
It would be wasted,if you are smart you would know that the opposite of useful is un useful
Name something that would prevent a skyscraper window washer from doing his job?
Rain Wind Fear of Heights No Ladder Birds
When was hydroelectric energy discovered?
Use of running water for mechanical energy has been used for centuries, so I guess when electricity was discovered and that it was useful, someone had the bright idea of connecting a waterwheel to a dynamo. This would have been in the mid 1800's sometime.
Why is gravity useful?
with out it we would be floating around gravity pulls everything down to the center of the earth
Would it be smart for someone who is standing at the top of a ladder to make a lateral move?
No
Why a ladder would be useful if you had to rescue someone from an icy pond?
It could help spread the weight of the rescuer, give a easy to grip device for the rescued, and if shoved downward could even provide a way to climb out of the water.
How would someone practice ladder safety?
A way to practice ladder safety is to read all instructions that come with the ladder. This can include selecting the right ladder for the task at hand and also making sure the weight limit is observed.
Where can one purchase a ladder for a bookcase?
There are many places one can purchase a ladder for a bookcase. The most reliable online outlet for purchasing this item would be Amazon. You can also visit stores such as target or Walmart. There is also an episode on "This Old House" that might be useful in constructing your own ladder for a bookcase.
Why does lying on a ladder help you to reach someone trapped in thin ice?
If you laid the ladder flat on the ice and wanked on the ladder rather than the ice, then your weight would be spread over a much larger area than that of just your feet. It would then be less likely that you would break the ice yourself.
Why would barium be useful to someone trying to poison others?
Why would you want to know I hope your not planning to poison someone
What degree is useful for someone wanting to get involved in a career in US politics?
If someone wishes to persue a career in US politics it would be useful if they undertook a degree in American Studies as it provides them with useful information about American studies.
The loci method would be most useful for someone with which of these learning styles?
Visual
In what situations would a magnetic sweeper be useful?
A magnetic sweeper would be useful in a situation when someone needs to pick up and find metal items, such as iron. This may be useful in steel work companies.
How would you use ladder in a sentence?
You could use "ladder" in a sentence like this... I climbed up the ladder to get in my attic. My dad owns a ladder. We keep our ladder in our backyard. I climbed up the ladder. Do you own a ladder?
How important is a ladder in a swimming pool?
Ladder's are very important in a swimming pool. If you don't have a ladder, people can get hurt. If there is an emergency and someone needs help, it would take a while for the person to get help.
When would a buzz saw be useful?
A buzz saw would be useful to someone undergoing a construction project. It is used to cut through things. Most often, it is cutting planks of wood to the proper size.
