![]() Physical quantities are measured in terms of some units some of the units are expressed in terms of length and time. Mathematically work done by a force is given by the formula: Work done through the application of force is equal to the product of the magnitude of the applied force and displacement of the object. The action of this force is to move the book through a distance d in a straight line in the direction of the applied force. The book is acted upon by a constant force F. Work can be defined in terms of force applied to an object and the displacement of the object.Ĭonsider a book placed on a frictionless horizontal table. Work is said to be done when the force applied to an object produces motion in the object. The capacity of an object or a person to perform any particular work is called energy. Energy is also a term that is often used commonly and is closely associated with work. However, when a man is carrying a heavy load but standing still and stationary at a place and not doing any work or when there is no movement according to physics is not defined as work. If we push or pull a load, or fit an object above the floor, it is considered work is performed there. Work is used to describe any kind of activity that involves physical and mental effort and to perform any work you need energy.īut in physics, work is not defined in this way. Work and energy are the two interrelated casual terms that are used in the day-to-day life of every living thing to simply survive in this world.
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