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Everything has a weight/mass. The larger the distance between the poles, the more wire is used, which means more weight. Gravity pulls down on the wire causeing it to sag where not supported. If construstion workers were to make the wire as tight as possible it may pull the poles right out of the ground. This also provides flexibility in times of high winds or when the poles shift.
In addition, a sag is intentionally provided to provide slack for when the line contracts in cold weather.
What else can I help you with?
Which digital technique now being intoduced into the switching of calls across telephone networks was first developed for computer network use?
p
How IP telephony works?
IP telephony works by using the internet instead of your house's telephone line. Your message is digitized and sent over the web, instead of being sent over the phone.
Who is the telephone being used by?
The telephone is being used by anyone from children and adults,
Is being a telephone operator stressful?
what is the good and the bad parts of being a telephone operator
When did Americans have access to telephones?
Americans began gaining access to telephones in the late 19th century, shortly after Alexander Graham Bell patented the first practical telephone in 1876. By the 1880s, telephone lines were being installed in major cities, and by the early 1900s, telephone service was becoming more widespread across urban and rural areas. However, it wasn't until the 1920s and 1930s that telephone access became common in households across the United States.
Why did Amelia Earhart inspired to fly solo across the Atlantic?
she wanted to actually fly over the Atlantic and deserve it instead of being as she said being as useful as a "sack of potatoes"
Is being straight cool?
Being yourself and being comfortable with that is cool. If being yourself means you are straight, then that is cool.
When was The Art of Being Straight created?
The Art of Being Straight was created in 2008.
Why does dropping a magnet reduce its stregnth?
the magnetic domains have become un-alligned. meaning instead of being parallel, they are shifted and are not straight OR The magnetic domains are disturbed
Is the first telephone being used now?
no...
What is the duration of The Art of Being Straight?
The duration of The Art of Being Straight is 1.18 hours.
How do you use telephone directories in a sentence?
there are several forms of telephone directories, one being the phone book.
