Question

Define
1 - Energy
2- Work
3- Calorie ( Cal )
4- law of conservation of energy
5-joule ( J )

Answer 1

1.Energy = the capacity to do work is known as energy.
2.work= work is said to be done if force is applied and displacement takes place.
3.calorie= calorie are the units which use to measure the energy value of food.
4.joule = Joule is defined amount of energy exerted when a 1 N of force applied at a displacement of1 m