File Name: concept of work energy and power .zip
- JEE Main Work, Energy and Power Revision Notes
- Work, Energy and Power
- WORK ENERGY AND POWER WORK PHYSICAL DEFINITION
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Physics for Computer Science Students pp Cite as. The terms work, energy, and power are common words in English. In physics we require precise definitions so that these terms can be formulated mathematically.
The learning objectives in this section will help your students master the following standards:. Use the lab titled Work and Energy as a supplement to address content in this section. In this section, students learn how work determines changes in kinetic energy and that power is the rate at which work is done.
JEE Main Work, Energy and Power Revision Notes
The notes on the work power and energy are given below. The basic theorem for work, power and energy can be defined as the difference between two kinetic energies obtained by a single object by the change of force. It can be written as,. The definition of Power can be explained below:. Power has different types of physical forms. If we plot the concept correctly, power can be illustrated as the rate of doing work.
Work, Energy and Power
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. This definition can be extended to rigid bodies by defining the work of the torque and rotational kinetic energy. Kinetic Energy : A force does work on the block. The kinetic energy of the block increases as a result by the amount of work. This relationship is generalized in the work-energy theorem.
In physics we say that work is done on an object when you transfer energy to that object. If one object transfers gives energy to a second object, then the first object does work on the second object. Work is the application of a force over a distance. Lifting a weight from the ground and putting it on a shelf is a good example of work. The simplest case of mechanical work is when an object is standing still and we force it to move.
What work was done to give it this PE? Worksheets have become an integral part of the education system. Circle all correct answers. A go cart engine applies a force of N and moves the cart forward 22m. Sun is continuously releasing heat energy. How much work does she do? Amy uses 20N of force to push a lawn mower 10 meters.
WORK ENERGY AND POWER WORK PHYSICAL DEFINITION
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