Work, Power, and Energy Challenge

Work is a _____ quantity.

Work is said to be done when a force produces

When a body is displaced in the direction of opposite to the applied force, then the work done is said to be 

When the body is displaced in the direction of applied force, then the work done is said to be

C.G.S unit of work is 

SI unit of work is 

Work done in lifting a body = weight of body $\times$ _____.

$kg \frac {m^2}{s^2}$ is the unit of

$gr \frac {cm^2}{s^2}$ is the unit of

Power =