Relier Pairs Physics Chapter 10 and 11Version en ligne Some vocabulary review for chapters ten and eleven par Hannah Quackenbush 1 Effort Force 2 Energy 3 Pulley 4 Efficiency 5 Mechanical Advantage 6 Reference Level 7 Machine 8 Screw 9 kinetic energy 10 Rotational Kinetic Energy 11 Compound Machine 12 Inclined Place 13 Wedge 14 Elastic Potential Energy 15 Mechanical Energy 16 Wheel and Axle 17 Ideal Mechanical Advantage 18 Law of Conservation of Energy 19 Resistance Force 20 Gravitational Potential Energy 21 Work 22 Lever the position where gravitational potential energy is defined as zero the sum of kinetic and gravitational potential energy of a system energy resulting from motion beam or rigid rod pivoted at a fixed hinge or fulcrum the potential energy that may be stored in an object, such as a rubber band, as a result of its change in shape states that in a closed, isolated system, energy is not created or destroyed, but rather, is conserved a wheel with a grooved rim around which a cord passes force exerted by the machine simple machine consisting a wheel which is fastened to an axle to apply torque flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load energy that is stored in the system as a result of gravitational force between the object and Earth triangle shaped tool; can be used to separate two objects or portions of objects, lift up an object, or hold an object in place eases the load by changing either the magnitude or the direction of a force to match the force to the capability of the machine or the person the ratio of output work to input work force exerted by a person on a machine kinetic energy of an object, proportional to the object"s moment of inertia and square of its angular velocity equal to the displacement of the effort force, divided by displacement of the load product of the force and the object's displacement ability of an object to produce a change in itself or the world around it a machine consisting of two or more simple machines that are connected so that the resistance force of one machine becomes the effort force of the second machine the ratio of resistance force to effort force converts rotational motion to linear motion, and a torque to a linear force
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