PLTW POE End-of-Course Review Questions And Answers With Latest Updates

ABET - The recognized accreditor for college and university programs in applied science, computing, engineering, and technology. Actual Mechanical Advantage - The ratio of the magnitude of the resistance and effort forces applied to a system. Belt - A continuous band of tough flexible material used to transmit motion and power within a pulley system. Career - A profession for which one trains and which is undertaken as a permanent calling. Chain - A series of usually metal links or rings connected to or fitted into one another and used to transmit motion and power within a sprocket system. Effort Force - An external force applied to an object. Efficiency - The ratio of useful energy output to the total energy input, or the percentage of the work input that is converted to work output. Friction - The resistance that one surface or object encounters when moving over another. Fulcrum - The fixed point around which a lever rotates. Gear - A circular toothed object used to transfer rotary motion and torque through interlocking teeth. Ideal Mechanical Advantage - Ratio of distance traveled by the applied effort and resistance force within a system.Idler Gear - A gear positioned between the driver and the driven gear used to change rotational direction. Inclined Plane - A flat surface set at an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load. Lever - A rigid bar used to exert a pressure or sustain a weight at one point of its length by the application of a force at a second and turning at a third on a fulcrum.