A force F is required to break a wire of length and radius r. What force is required to break a wire, of the same material, having twice the length and six times the radius ?

a)

b)

c)

9

d)

36

Question ID - 56416 :-

A force F is required to break a wire of length and radius r. What force is required to break a wire, of the same material, having twice the length and six times the radius ?

a)

b)

c)

9

d)

36

1 Answer

5876 Votes

3537

Answer Key : (d) -

(d)

Breaking force does not depend upon length.

Breaking force = breaking stress area of cross-section for a given material, breaking stress in constant.

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