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 
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 | SaraNextGen Top Answer
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
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A force F is required to break a wire of length |
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a) |
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b) |
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c) |
9 |
d) |
36 |
1 Answer
127 votes
Answer Key / Explanation : (d) -
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(d) Breaking force does not depend upon length. Breaking force = breaking stress
Or |
area of cross-section for a given material, breaking stress in constant.
s127 votes
Answer Link
127