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CBSE Notes 2011-2012

practice M.C.Q.

   
 Choose correct alternatives from given option:-
1)work is a ------------------ quantity?
a.scalar
b.vector
 
2)scalar quantity has---------------. 
a.only magnitude
b.only direction
c.bith magnitude & direction
d.none of these

3)work is product of --------------.
a.force & speed
b.time & speed
c.force & displacement
d.displacement & time