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  4. A wire can sustain the weight of 40kg before breaking. If the wire is cut into 4 equal parts, each part can sustain a weight of....kg

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Q. A wire can sustain the weight of 40kg before breaking. If the wire is cut into 4 equal parts, each part can sustain a weight of....kg

Mechanical Properties of Solids

Solution:

Since we know that, Breaking Stress is a material Property and independent of length, therefore even after cutting the wire into four equal parts the stress required for all would be the same as the cross section of the wire remains unchanged.