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

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

Grade:12th pass

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
2 years ago
Dear Student

Option (b) is correct here.

Thanks

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