Model Paper 4 — Physical Education STD 12 Commerce — Question
CBSE BoardEnglish MediumSTD 12 CommercePhysical EducationModel Paper 43 Marks
Question
Friction is a necessary evil. Justify your answer with suitable examples from sport.
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Answer
Friction is usually called a necessary evil. It means that it is essential in games and sports. Without friction, we cannot give a better performance in the field of sports. Examples are spikes used by athletes for running and studs used in football boots of the players. However, friction has disadvantages also. In cycling, there should not be more friction between road and the tyres of the cycle.
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