Mr K Applied Physics
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Applied Physics | The branch of science that applies the principles of science to solve engineering problems.
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| Closed Loop System | A system that uses feedback from the output to control the input.
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| Conservation of Energy | The total energy of an isolated system remains constant no matter what internal changes take place, with energy disappearing in one form reappearing in another.
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| Diameter | A straight line passing from side to side through the center of a circle or sphere.
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| Energy | The ability to do work.
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| Evaluation | The collection and processing of information and data in order to determine how well a design meets the requirements and to provide direction for improvements.
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| Fabrication | The assembly of parts into a structure.
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| Force | The influence on an object which causes it to accelerate.
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| Friction | The resistance that one surface or object encounters when moving over another.
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| Fulcrum | The point around which a lever turns or is supported.
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| Gravity | A force of attraction between all matter.
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| Inclined Plane | A flat surface set at an angle used to help raise or lower objects.
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| Input | Something put into a system, such as resources, in order to achieve a result.
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| Joule | The unit of energy or work in the MKS system of units, equal to the work done by a force of one Newton-meter.
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| Kinetic Energy | The energy which a body possesses because of its motion.
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| Lever | A rigid bar resting on a pivot point or fulcrum, used to move a load with one end when pressure is applied to the other.
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| Mechanical Advantage | The ratio of the force that performs the useful work of a machine to the force that is applied to the machine. MA = F0 / Fi
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| Mechanism | An assembly of moving parts completing a complete functional motion.
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| Model | A visual, mathematical, or three-dimensional representation in detail of an object or design, often smaller than the original. A model is often used to test ideas, make changes to a design.
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| Motion | A continuous change of position of a body.
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| Newton’s Laws of Motion | Laws proposed by Isaac Newton that explain how force and motion work.$
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| Open Loop System | A control system that has no means for comparing the output with input for control purposes.
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| Output | The results of the operation of any system.
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| Potential Energy | The energy of a particle, body, or system that is determined by its position or structure.
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| Prototype | A full-scale working model used to test a design concept by making actual observations and necessary adjustments.
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| Pulley | A solid disc that rotates around a center axis. It usually has a groove around the outside edge that allows ropes or belts to easily ride around it.
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| Radius | A straight line from the center to the circumference of a circle or sphere.
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| Screw | A cylinder with a spiral ridge or thread running round the outside that can be turned to seal an opening, apply pressure, adjust position, etc.
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| Simple Machine | Any of several elementary mechanisms that are used to transmit or modify force or motion. Simple machines include the lever, wheel and axle, pulley, screw, wedge, and inclined plane.
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| Speed | The magnitude of the total distance traveled divided by the time elapsed.
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| Subsystem | A major part of a system which itself has the characteristics of a system, usually consisting of several components.
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| System | A group of interacting, interrelated, or interdependent elements or parts that function together as a whole to accomplish a goal.
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| Test | A procedure in which the performance of a product is measured under various conditions.
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| Torque | A twisting force.
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| Velocity | A vector quantity that includes the speed and direction of an object.
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| Wedge | A piece of a substance (as wood or iron) that tapers to a thin edge and is used for splitting wood and rocks, raising heavy bodies, or for tightening by being driven into something.
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| Wheel and Axle | A mechanical device consisting of a grooved wheel turned by a cord or chain with a rigidly attached axle (as for winding up a weight) together with the supporting standards.
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| Work | A result of a force moving an object a certain distance.
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Created by:
rklimbal
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