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