WORK, ENERGY AND POWER
CONCEPTS OF WORK
Activity involving mental or physical effort done in order to achieve a result: he was tired after a day's work in the fields' 1
Necessary Conditions for Work to be done: 1. A force should be acting on object 2. The object must be displaced.
Hence Work in scalarquantity Tt has only magnitude, no divection Slunit s Joules C) a Newton MeTre CNm). r quantity. recho
when x approa ches o, Disp lacemen Cx) Displacement SP