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