Question

4. The breaking stress of a wire of length l and radius r is 5 . The wire of length 2l and radius 2r of the same material will have breaking stress in

Answer 1

Explanation:

Given  The breaking stress of a wire of length l and radius r is 5 . The wire of length 2l and radius 2r of the same material will have breaking stress in

• Breaking stress also known as fracture stress of a material is the material property of a substance which does not depend upon the shape or size of the material.  
• So for the same material, breaking stress is same.

So the wire will have breaking stress in 5 kg – wt /m^2

Answer 2

Answer:

Explanation:

Think simple minded

Breaking stress is F/A..... isn't it?

So, it is quite clear that is independent of shape and size of the body .