Relier Pairs Physics Chapter 10 and 11Version en ligne Some vocabulary review for chapters ten and eleven par Hannah Quackenbush 1 Lever 2 Mechanical Advantage 3 Resistance Force 4 Energy 5 kinetic energy 6 Law of Conservation of Energy 7 Rotational Kinetic Energy 8 Pulley 9 Compound Machine 10 Screw 11 Wedge 12 Reference Level 13 Effort Force 14 Machine 15 Elastic Potential Energy 16 Inclined Place 17 Ideal Mechanical Advantage 18 Efficiency 19 Wheel and Axle 20 Mechanical Energy 21 Work 22 Gravitational Potential Energy the position where gravitational potential energy is defined as zero the sum of kinetic and gravitational potential energy of a system ability of an object to produce a change in itself or the world around it a wheel with a grooved rim around which a cord passes converts rotational motion to linear motion, and a torque to a linear force 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 equal to the displacement of the effort force, divided by displacement of the load the ratio of output work to input work simple machine consisting a wheel which is fastened to an axle to apply torque force exerted by a person on a machine 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 states that in a closed, isolated system, energy is not created or destroyed, but rather, is conserved energy that is stored in the system as a result of gravitational force between the object and Earth force exerted by the machine 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 energy resulting from motion 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 beam or rigid rod pivoted at a fixed hinge or fulcrum kinetic energy of an object, proportional to the object"s moment of inertia and square of its angular velocity
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