If force of 6N displaces an object 2m in the direction of force, then work done will be _______
If a body of mass 1 kg is moving with velocity of 1m/sec then K.E of the body will be ________
If a machine performs 20J of work in 10sec then its power is _________
A body of mass 1kg is lifted through a height of 1m. The energy possessed in the body will be ________ (consider g=10m/s²)
The energy released during fission or fusion reaction is called _______
Which is the renewable source of energy
The ratio of output to input is called
Work done per unit time is called _______
Coal, gas and oil are all examples of _______
_________is not a renewable source of energy.