Chapter+8+Energy+part+2

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Chapter 8 bpart to talks about Conservation and Effiency

The Law of Conservation of energy is that energy is always transform and is never destroy but transfer to different objects that hits or is incontect with thye object. Lastly effiency is the useful amount of energy (output) divide by the total work input or actual work done divide by theoretical work done. Machinesare devices used to multiply forces or simply to changethe direction of the forces EX. Lever and Pulley []

Chapter 8 Energy part1