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CBSE Notes 2011-2012 » VIII-Science

Friction

The force of friction that comes into play when one body rolls over another surface, is

Multiple choice question

The force of friction that comes into play when one body rolls over another surface, is

These days we use suitcases with wheels because

Multiple choice question

These days we use suitcases with wheels because

Tyres have cut grooves in them

Multiple choice question

Tyres have cut grooves in them

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