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CBSE Notes 2011-2012 » VIII-Science

Friction

Four students were asked to arrange forces due to rolling, static and sliding frictions in an increa...

Multiple choice question

Four students were asked to arrange forces due to rolling, static and sliding frictions in an increasing order. Their arrangements are listed below. Choose the correct arrangement. [NCERT]

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

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