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