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A meter stick with a mass of 0.17 kg is held perpendicular to a vertical wall...

A meter stick with a mass of 0.17 kg is held perpendicular to a vertical wall by a cord of length d = 4.3 m attached to the end of the meter stick and also to the wall above the other end of the meter stick.

(a) Determine the tension in the cord. in N ?


(b) Will the tension in the cord will be greater than, less than, or the same as that found in part (a) if the string is shortened?

greater than ?

less than ?

the same as ?

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Homework Answers

Answer #1

As meter stick has length equal to 1m.

By force and moment balance, we find the tension in the string.

Then after shortening the length of string, we again calculate the tension by similar method.

We observe that when we shorten the length of string, tension in it increases.

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