If we suspend a weight using a spring, it stretches. What kind of changes are involved in this process?
A
Man-made
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B
Reversible
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C
Irreversible
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D
Natural
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Solution
The correct options are A Man-made B Reversible When weight is removed, the spring comes back to its original shape. The retention of the original shape makes it a reversible change. The change is brought by human assistance, thus it is a man-made change.