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Which of the following cannot be changed easily by friction? (a) A plastic scale (b) A copper rod (c) An inflated balloon (d) A woollen cloth

Which of the following cannot be changed easily by friction?
(a) A plastic scale
(b) A copper rod
(c) An inflated balloon
(d) A woollen cloth

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
(b) A copper rod

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