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Energy is defined as the capacity to do work. Formula: The energy stored in an object due to its position and height is known as potential energy and is given by the formula: P.E. = mgh: Unit : The SI unit of energy is Joules (J). Power: Definition: Power is defined as the rate at which work is done. Formula: The formula for power is. P = W/t: Unit
- Work Energy Theorem And Its Application
Also, here the work done is the work done by all forces...
- Ncert Solutions for Class 11 Physics Chapter 6 Work, Energy and Power
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- Work Energy Theorem And Its Application
The work–energy principle states that an increase in the kinetic energy of a rigid body is caused by an equal amount of positive work done on the body by the resultant force acting on that body. Conversely, a decrease in kinetic energy is caused by an equal amount of negative work done by the resultant force.
The principle of work and kinetic energy (also known as the work-energy theorem) states that the work done by the sum of all forces acting on a particle equals the change in the kinetic energy of the particle.
The Work–Energy Theorem. In physics, the term work has a very specific definition. Work is application of force, f f, to move an object over a distance, d, in the direction that the force is applied. Work, W, is described by the equation
Concepts of work, kinetic energy and potential energy are discussed; these concepts are combined with the work-energy theorem to provide a convenient means of analyzing an object or system of objects moving between an initial and final state.
Work-Energy Principle. The change in the kinetic energy of an object is equal to the net work done on the object. This fact is referred to as the Work-Energy Principle and is often a very useful tool in mechanics problem solving.
In physics, work represents a type of energy. Work is done when a force acts on something that undergoes a displacement from one position to another. Forces can vary as a function of position, and displacements can be along various paths between two points.
