Advantages and disadvantages of friction Class 8 | PWpw.live
Question of Class 8-Advantages and Disadvantages of friction : Advantages and disadvantages of friction:Friction always opposes the relative motion between any two bodies in contact. Therefore extra energy has to be spent in overcoming friction. This reduces the efficiency of machine .... read more
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Olympiad Examinations are held at the national and international levels, where students from different schools compete with each other and check their knowledge and basic understanding level. The examination is related to the academic field with a grade-level examination.
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