Friction Disadvantages | MCQs

    Q1: Which one of the following is not a disadvantage of friction?

    مندرجہ ذیل میں سے کون سا رگڑ کا نقصان نہیں ہے؟
    • A. Wear and Tear
    • B. Fasteners
    • C. Energy loss
    • D. Speed limit
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