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A 100 N force stretches the length of a hanging wire by 0.5 mm. The force required to stretch a wire, of the same material and length but having four times the diameter, by 0.5 mm is

a)

100 N

b)

400 N

c)

1200 N

d)

1600 N



Question ID - 56403 | SaraNextGen Top Answer

A 100 N force stretches the length of a hanging wire by 0.5 mm. The force required to stretch a wire, of the same material and length but having four times the diameter, by 0.5 mm is

a)

100 N

b)

400 N

c)

1200 N

d)

1600 N

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

In the given problem, Since, D is increased by a factor of, 4, therefore, F  is increased by a factor of 16.

127 votes


127