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CBSE Notes 2011-2012 » IX-Science-Term2

Work and Energy

Which one of the following is not the unit of energy ?

Multiple choice question

Which one of the following is not the unit of energy ?

The work done on an object does not depend upon the

Multiple choice question

The work done on an object does not depend upon the

Water stored in a dam possesses

Multiple choice question

Water stored in a dam possesses

A boy holds a mass on his stretched hand. Then

Multiple choice question

A boy holds a mass on his stretched hand. Then

A man holds and displaces a 20 kg mass horizontally in his stretched hand.

Multiple choice question

A man holds and displaces a 20 kg mass horizontally in his stretched hand.

Two masses m and 2m are dropped from certain height 'h'. Then on reaching the ground,

Multiple choice question

Two masses m and 2m are dropped from certain
height 'h'. Then on reaching the ground,

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