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. Fasteners
    • B. Energy loss
    • C. Speed limit
    • D. Wear and Tear
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