Physics, asked by Hannibal4352, 10 hours ago

The breaking stress for a wire of radius r of given material is F N/m^2.The breaking stress for the wire of same material of radius 2r is

Answers

Answered by vikkiain
1

Answer:

F/4

Explanation:

Stress = Weight/ area = W/πr² = F

W = Fxπr²

Now,

area = π(2r)² = 4πr², them

Stress = W/4πr² = Fxπr²/4πr² = F/4

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