Relier Pairs Physics Chapter 10 and 11Version en ligne Some vocabulary review for chapters ten and eleven par Hannah Quackenbush 1 Gravitational Potential Energy 2 Reference Level 3 kinetic energy 4 Effort Force 5 Rotational Kinetic Energy 6 Mechanical Energy 7 Inclined Place 8 Mechanical Advantage 9 Elastic Potential Energy 10 Lever 11 Work 12 Law of Conservation of Energy 13 Pulley 14 Screw 15 Resistance Force 16 Energy 17 Machine 18 Wedge 19 Compound Machine 20 Efficiency 21 Ideal Mechanical Advantage 22 Wheel and Axle 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 states that in a closed, isolated system, energy is not created or destroyed, but rather, is conserved flat supporting surface tilted at an angle, with one end higher than the other, used as an aid for raising or lowering a load 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 energy that is stored in the system as a result of gravitational force between the object and Earth 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 the ratio of output work to input work 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 the ratio of resistance force to effort force a wheel with a grooved rim around which a cord passes kinetic energy of an object, proportional to the object"s moment of inertia and square of its angular velocity force exerted by a person on a machine product of the force and the object's displacement the position where gravitational potential energy is defined as zero force exerted by the machine 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 the sum of kinetic and gravitational potential energy of a system energy resulting from motion
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