9. When a load of 10 kg is hung from the wire, then extension of 2 m is produced. Then work done by restoring force IS (а) 200 J (b) 100 J (d) 25 J (c) 50 J

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Author:Raymond A. Serway, John W. Jewett
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Chapter7: Energy Of A System
Section: Chapter Questions
Problem 7.11P: A force F = (6i 2j) N acts on a panicle that under-goes a displacement r = (3i + j) m. Find (a) the...
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9. When a load of 10 kg is hung from the wire, then extension
of 2 m is produced. Then work done by restoring force is
(a) 200 J
(b) 100 J
(c) 50 J
(d) 25 J
Transcribed Image Text:9. When a load of 10 kg is hung from the wire, then extension of 2 m is produced. Then work done by restoring force is (a) 200 J (b) 100 J (c) 50 J (d) 25 J
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