the length of wire is 1.2m when stretched by a weight of 4 kg and 1.3m when stretched by a weight of 6kg what is the unstretch length of the wire
Asked by Sananse.cop007
15th March 2018,
10:37 PM
Answered by Expert
Answer:
Stretched length under 6 Kg force =1.3m
Stretched length under 4 Kg force =1.2m
Hence Stretched length due to additional 2 Kg force = 0.1 m
length elongation per one kg force = 0.05 m
length elongation for 4 kg force = 0.05×4 = 0.2 m
hence original length = 1.2 - 0.2 = 1.0 m
Answered by Expert
16th March 2018,
11:38 AM
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