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