Subject :NSO Class : Class 3
Subject :NSO Class : Class 4
Ans 5:
Class : Class 7
b . We use friction in three types - Static friction , Sliding friction , Rolling friction. Here we are using sliding friction .
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 2
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Subject :NSO Class : Class 4
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Subject :NSO Class : Class 8