1st order lever - the turning point(fulcrum) between the load and the effort., 2nd order lever - the load between the fulcrum and the effort, 3rd order lever - the effort between the fulcrum and the load, mechanical advantage - effort arm ÷ resistance arm, mechanical disadvantage - When a lever's load arm is longer than its effort arm, Fulcrum - the turning point, Resistance - the force acting against the effort, effort - the force acting to withstand the resistance, Newtons 1st law - an object remains in the same state of motion unless a resultant force acts on it., Newtons 2nd Law - the acceleration of an object is directly related to the net force and inversely related to its mass, Newtons 3rd Law - whenever two objects interact, they exert equal and opposite forces on each other,

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