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CBSE Notes 2011-2012 » VIII-Science

Friction

The energy required to overcome friction is mainly converted into

Multiple choice question

The energy required to overcome friction is mainly converted into

Out of the following, the better lubricant, to be used in the moving parts of a machine, is

Multiple choice question

Out of the following, the better lubricant, to be used in the moving parts of a machine, is

Force of friction is more in

Multiple choice question

Force of friction is more in

Once a body starts moving on table the friction which comes into play, is

Multiple choice question

Once a body starts moving on table the friction which comes into play, is

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

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