PII.3.2 Qualitatively and Buoyancy upward force exerted by a fluid that Systems and system – quantitatively determine how opposes the weight of an immersed object models the density of fluid or volume Floating rest or move on or near the surface of a – of fluid displaced is related to liquid without sinking the force due to buoyancy acting on either a floating or Submerged cause to be under water – submerged object as described by Archimedes’ principle of Archimedes principle upward buoyant force that is – buoyancy. exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces PII.3.3 Develop and the Flow rate volume of fluid which passes per unit Energy and matter – principle of constant volume time flow rate to determine the Pipe tube of plastic, or other material used to Scale, proportion, – relationship between convey water, gas, oil, or other fluid substances and quantity area of a pipe and the Velocity speed of something in a given direction – velocity of an incompressible fluid flowing through a pipe. PII.3.4 Develop and apply Bernoulli’s principle increase in the velocity of a Energy and matter – Bernoulli’s principle and stream of results in a decrease in pressure continuity equations to predict Continuity equations volume of flowing Scale, proportion, – changes in the speed and through the hose per unit time (i.e. the flow rate at and quantity pressure of a moving the left must be equal to the flow rate at the right or incompressible fluid. in fact anywhere along the hose/pipe PII.3.5 Describe how a change Pascal’s Principle pressure exerted anywhere in a Energy and matter – in the pressure of as static confined incompressible fluid is transmitted equally in an enclosed container is in all directions throughout the fluid Scale, proportion, transmitted equally in all Mechanical advantage the ratio of output force to and quantity – directions (Pascal’s Principle) the input force applied to a mechanism and apply Pascal’s Principle to determine the mechanical advantage of a hydraulic system. Standard 4: Electricity
PII.3.2 Qualitatively and quantitatively determine how the density of fluid or volume of fluid displaced is related to the force due to buoyancy acting on either a floating or submerged object as described by Archimedes’ principle of buoyancy. Buoyancy – upward force exerted by a fluid that opposes the weight of an immersed object Floating – rest or move on or near the surface of a liquid without sinking Submerged – cause to be under water Archimedes principle – upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces Systems and system models PII.3.3 Develop and the principle of constant volume flow rate to determine the relationship between area of a pipe and the velocity of an incompressible fluid flowing through a pipe. Flow rate – volume of fluid which passes per unit time Pipe – tube of plastic, or other material used to convey water, gas, oil, or other fluid substances Velocity – speed of something in a given direction Energy and matter Scale, proportion, and quantity PII.3.4 Develop and apply Bernoulli’s principle and continuity equations to predict changes in the speed and pressure of a moving incompressible fluid. Bernoulli’s principle – increase in the velocity of a stream of results in a decrease in pressure Continuity equations – volume of flowing through the hose per unit time (i.e. the flow rate at the left must be equal to the flow rate at the right or in fact anywhere along the hose/pipe Energy and matter Scale, proportion, and quantity PII.3.5 Describe how a change in the pressure of as static in an enclosed container is transmitted equally in all directions (Pascal’s Principle) and apply Pascal’s Principle to determine the mechanical advantage of a hydraulic system. Pascal’s Principle – pressure exerted anywhere in a confined incompressible fluid is transmitted equally in all directions throughout the fluid Mechanical advantage – the ratio of output force to the input force applied to a mechanism Energy and matter Scale, proportion, and quantity Standard 4: Electricity
resource-guides-physics-2-052716.docx