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### 19 Cards in this Set

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 The measure of upward pressure a fluid exerts on an object is BUOYANCY The relationship showing that the force exerted on an object in a liquid is equal to the weight of the fluid dispaced by the object is called ARCHIMEDES' PRINCIPLE True or False? All fluids exert an equal buoyant force on an object. FALSE Sink or Float? The buoyant force is greater than the object's weight. FLOAT Sink or Float? The buoyant force is less than the object's weight. SINK Sink or Float? An object stays immersed in the liquid at the level it was originally placed. neither - NEUTRALLY BUOYANT How can heavy objects float? VOLUME (ie. hollow) Buoyancy applies to which states of matter? GASES and LIQUIDS Which law describes the relationship between volume and temperature of gases? CHARLES' LAW As the temperature of a gas increases, the volume... INCREASES As the temperature of a gas decreases, the volume... DECREASES Why does a hot-air balloon float? BUOYANCY The force of air particles within a container is called PRESSURE What are units of pressure? psi (POUNDS PER SQUARE INCH) or Pa (PASCAL) What is the metric unit for pressure? Pa (PASCAL) Which law describes the relationship between pressure and volume? BOYLE'S LAW Assuming a constant temperature, which will have more pressure, container A containing 5L of gas or container B containing 10L or gas? CONTAINER A As volume increases, pressure DECREASES What is the equation for Boyles' law? P1V1=P2V2