Answers

2015-07-11T18:28:24+05:30
P=F/A . Using this formula, we can tell that the smaller the area of contact, the more is the pressure. This means that the spikes will penetrate in the ground and hence give better grip to sportspersons.
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2015-07-11T21:13:33+05:30
To have a grip and to reduce friction
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