Type the answer in the typing space.To do work we need _________.
Type the answer in the typing space.The energy possessed by an object due to its position or motion is called ____________ energy.
Type the answer in the typing space.________ is the main source of energy.
Type the answer in the typing space.Magnets exert force on ________ objects.
Type the answer in the typing space.By setting up ___________, the energy of wind is utilised to generate electricity.
