Relier Pairs Physics Chapter 10 and 11Version en ligne Some vocabulary review for chapters ten and eleven par Hannah Quackenbush 1 Resistance Force 2 Effort Force 3 Ideal Mechanical Advantage 4 Mechanical Energy 5 Elastic Potential Energy 6 Lever 7 Wedge 8 Rotational Kinetic Energy 9 kinetic energy 10 Wheel and Axle 11 Compound Machine 12 Pulley 13 Efficiency 14 Work 15 Gravitational Potential Energy 16 Reference Level 17 Screw 18 Machine 19 Energy 20 Mechanical Advantage 21 Law of Conservation of Energy 22 Inclined Place ability of an object to produce a change in itself or the world around it 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 product of the force and the object's displacement 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 output work to input work equal to the displacement of the effort force, divided by displacement of the load energy that is stored in the system as a result of gravitational force between the object and Earth the ratio of resistance force to effort 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 force exerted by a person on a machine force exerted by the machine a wheel with a grooved rim around which a cord passes energy resulting from motion the position where gravitational potential energy is defined as zero 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 converts rotational motion to linear motion, and a torque to a linear force the sum of kinetic and gravitational potential energy of a system 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 simple machine consisting a wheel which is fastened to an axle to apply torque
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