Matching Pairs Physics Chapter 10 and 11Online version Some vocabulary review for chapters ten and eleven by Hannah Quackenbush 1 Efficiency 2 Compound Machine 3 Work 4 kinetic energy 5 Ideal Mechanical Advantage 6 Lever 7 Rotational Kinetic Energy 8 Law of Conservation of Energy 9 Pulley 10 Effort Force 11 Resistance Force 12 Energy 13 Screw 14 Mechanical Energy 15 Mechanical Advantage 16 Reference Level 17 Wedge 18 Gravitational Potential Energy 19 Inclined Place 20 Wheel and Axle 21 Machine 22 Elastic Potential Energy force exerted by a person on a machine 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 ability of an object to produce a change in itself or the world around it force exerted by the machine the ratio of output work to input work the sum of kinetic and gravitational potential energy of a system converts rotational motion to linear motion, and a torque to a linear force the position where gravitational potential energy is defined as zero the potential energy that may be stored in an object, such as a rubber band, as a result of its change in shape 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 equal to the displacement of the effort force, divided by displacement of the load 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 kinetic energy of an object, proportional to the object"s moment of inertia and square of its angular velocity product of the force and the object's displacement beam or rigid rod pivoted at a fixed hinge or fulcrum simple machine consisting a wheel which is fastened to an axle to apply torque energy that is stored in the system as a result of gravitational force between the object and Earth flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load the ratio of resistance force to effort force energy resulting from motion
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