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The relationship between buoyancy and displaced fluid: An immersed object is buoyed up by a force equal to the weight of the fluid it displaces. |
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At a constant temperature, the volume of a given quantity of gas is inversely proportional to the pressure upon the gas. |
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An upward force acting on an immersed or floating body by the supporting fluid. |
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The net upward force exerted by a fluid on a submerged object. |
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A property of a substance, equal to the mass divided by the volume; commonly thought of as the lightness or heaviness of a substance. |
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Term applied to fluid that is moved out of the way when an object is placed in the fluid. |
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Potential energy due to tension – either stretch (rubber bands, etc.) or compression (springs, etc.). |
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The ability to do work. Appears in many forms, all of which are either kinetic or potential. |
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A state of balance between opposing forces. |
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Anything that flows; any liquid or gas. |
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A push or a pull. An influence on a body or system, causing or tending to cause a change in movement or shape. |
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A pulling force exerted by any mass upon another. |
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The tendency of matter to remain at rest if at rest, or, if moving, to keep moving in the same direction, unless affected by an outside (or unbalanced) force. |
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Energy of motion. Includes heat, sound, and light (motion of molecules). |
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The amount of matter that is contained by an object. |
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The quantity of motion of a moving object, equal to the product of its mass and its velocity. |
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Exists when the weight of the body is equal to the weight of an equal volume of the displaced fluid. The body remains suspended – neither rising nor sinking – unless acted upon by an outside force. |
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Energy of position; energy that is stored and held in readiness. Includes chemical energy, such as fossil fuels, electric batteries, and the food we eat. |
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The force per unit of surface area; exerted perpendicular to the surface; measured in Pascals. |
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A floating object displaces a weight of fluid equal to its own weight. |
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How fast an object is moving. The distance traveled over time. |
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The speed of something in a given direction. |
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The amount of space enclosed by a shape or object; how much 3-dimensional space (length, width, and height) it occupies. |
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The downward force caused by gravity on an object. |
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