Description: After studying this lesson, you should be able to learn about, work done by a force and unit of work, calculate the work done by an applied force, work-energy theorem, power of a system, work done by gravity when a mass moves from one point to another, energy, expressions for gravitational potential energy and elastic potential energy, principle of conservation of energy for physical system, laws of conservation of momentum and energy in elastic collisions
© 2012 The National Institute of Open Schooling. All Rights Reserved.