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Forces and Energy

Review of forces and energy

QuestionAnswer
SI unit for force Newtons
Force = mass times acceleration 2nd law of motion
"for every force there is an equal and opposite force" 3rd law of motion
He wrote the laws of motion Newton
diagram of ALL the forces acting on an object Free body diagram
SI unit for energy Joules
the ability to do work (is needed to do work) energy
energy based on postion (height) potential [PE]
energy based on motion (velocity) kinetic [KE]
energy that is constant in a closed system mechanical [ME]
states that energy is not created or destroyed in a closed system law of conservation of energy
F output / F input mechanical advantage [MA] (formula)
where PE is greatest top
where KE is greatest bottom
where PE = KE halfway down
Created by: cadetjt
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