COMPOUND PULLEY SYSTEMS

A combination of fixed and a movable pulleys forms a block and tackle. A block and tackle can have several pulleys mounted on the fixed and moving axles, further increasing the mechanical advantage.

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Forms of energy

Form of energy Potential: Associated with the heigt of an bject above the ground. kinetic: The energy of physical movement Mechanical: The sum of potential kinetic energy Sound: The energy of sound waves Electrical: The product of an electrical current Nuclear: The energy in the nucleus of an atom Luminous: Associated with ligth Thermal: Associated with the movement of particles in a matter Chemical: Results from the formation or descomposition of substances Electromagnetic: Occurs when electrical current create magnetic fields
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