energy and there are to basic forms of kinetic and potential energy

Energy

     i read in my books word of  energy derive from energeia.  

     we defined as about energy  The ability of a body to do work is called energy.

     There are to basic forms of energy.

                                                                                 

 Kinetic and Potential energy                                                                              

What is kinetic energy 

    we also discus about energy and kinetic energy is other form of energy.kinetic word is derived from Greek word kinesis meaning motion.

      The possessed by a body due to its motion is called kinetic energy.
        it is given by the formula.

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Inertia

                The property of an object tending to maintain the state of rest or state of uniform  motion is referred to as the object's inertia.
                The more is the inertia, the stronger is this tendency in the presence of a force.
thus,
                "The mass of the object is a quantitative measure of its inertia".
we can says Newtons first law of motion called law of inertia.newtons first law is that
                 A body at rest will remain at rest, and a body moving uniform velocity will continue to do so, unless acted on by some unbalanced external force.This is also known as law of inertia.

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what is physics definition

The branch of science which deals with the study  of matter and energy and the relationship between them is called physics.

we can also called about what is physics  The study of physics involves investigation of such things as the laws of motion,the structure of space and time,the nature and type of forces that hold different materials
together, the interaction between different particles, the interaction of electromagnetic radiation with matter and so on.

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