There are many equations to solve for energy, depending on what form of energy your looking at. For kinetic energy, us KE = (1/2)mv2 where KE is kinetic energy, m is mass, and v is velocity. For potential energy used PE=mgh where PE is potential energy, m is mass, g is gravity, and h is height. Mechanical energy is PE + KE. There are also numerous equations for finding the amount of thermal energy.
The formula for the conservation of mechanical energy is: K1 + U1 = K2 + U2, where K is kinetic energy and U is potential energy.
The law of conservation of energy states that the total energy in the universe is a constant and will remain so for example ( x=y+z ). conservation of energy has to do with reducing the amount of energy used through reduced activity and/or increased efficiency in the performance of a particular task.
This simply means that, as long as no mechanical energy is wasted or converted to other types of energy (and no other type of energy to mechanical energy), the total amount of mechanical energy doesn't change. Mechanical energy refers to the sum of kinetic and potential energy. Since energy losses and energy conversions do occur, this is not really a "law". In other words, the law of conservation of energy has not been known to be violated; conservation of mechanical energy is very easily violated.
There is no difference between the two, it's just another way of wording the phrase.
Conservation of mechanical energy means that the total mechanical energy doesn't increase or decrease over time.Note that in real systems, some mechanical will always be lost due to friction.
Mechanical energy is the sum of potential energy + kinetic energy.
The law of conservation of energy states that all energy in the universe is conserved. It can not be created nor destroyed, but it can be interchanged between mechanical and non-mechanical energy.
It would be something like:(Kinetic energy) + (Potential energy) = (constant).However, note that mechanical energy is not conserved: consider an inelastic collision, for example.Refer to the first law of thermodynamics for more information (related links below).
rubbing of two wood
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Mechanical Energy
Mechanical energy is potential energy plus kinetic energy. ~A.L.C.
1/2g+1/2kxf=0