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: Physics Skills and Processes  \n􀁸 Hypotheses – tentative and testable statements that must be capable of being supported or not supported by observational evidence  \n􀁸 Independent variable – factor that is adjusted by the experimenter to see what effect the change has on the dependent variable  \n􀁸 Dependent variable – factor whose value changes because of a change in the independent variable  \n􀁸 Inference – a reasonable conclusion or possible hypotheses based on observations  \n􀁸 Conclusion – a statement that identifies cause and effect based on evidence  \n􀁸 International System (SI) Units – internationally accepted form of the metric system based on meters, kilograms, and seconds  \n􀁸 Dimensional analysis – the practice of converting units of measurement using the relationship between units  \nUnit 2: Kinematics in One Dimension and Graphing Motion  \n􀁸 Kinematics – the study of how things move  \n􀁸 Vector – physical quantity that has both a magnitude and a direction  \n􀁸 Scalar – physical quantity that has a magnitude only  \n􀁸 Velocity – vector quantity that measures rate of change of position of an object  \n􀁸 Acceleration – vector quantity that measures the rate of change in velocity  \n􀁸 Displacement – vector quantity which refers to an object’s change in position (final position – initial position)  \n􀁸 Speed – scalar quantity that refers to the distance traveled per unit time  \n􀁸 Distance – scalar quantity that refers to the total length traveled  \n􀁸 Average velocity – total displacement divided by time  \n􀁸 Instantaneous velocity – vector quantity that refers to the velocity at any single point in time  \n􀁸 Frame of reference – the perspective from which motion is observed  \n􀁸 Magnitude – absolute value describing quantity, not direction  \nUnit 3: Newton’s Laws of Motion  \n􀁸 Force – a push or pull on an object  \n􀁸 Inertia – the resistance of an object to a change in motion  \n􀁸 Acceleration – rate of change in velocity of the motion of an object  \n􀁸 Free body diagram – a diagram of all forces acting on an object drawn as vectors outward from the center  \n􀁸 Weight – the gravitational force that an object exerts due to its mass  \n􀁸 Mass – the amount of matter an object contains, a measurement of inertia  \n􀁸 Net force – sum of all force vectors into a combined or total force  \n􀁸 Normal force – force exerted perpendicular to the surface an object rests on (support force)  \n􀁸 Friction – force opposing motion caused by the interaction of surfaces  \n􀁸 Torque – the product of the force and the lever arm that may cause rotational motion  \nUnit 4: Two-Dimensional Motion  \n􀁸 Tangential velocity – the instantaneous velocity of a body moving in a circular path  \n􀁸 Centripetal force – a force which keeps a body moving with a uniform speed along a circular path and is directed along the radius towards the center  \n􀁸 Centripetal acceleration – acceleration towards the center caused by the centripetal force  \n􀁸 Projectile – an object projected through space, traveling in two dimensions, that accelerates vertically due to gravity  \n􀁸 Parabolic pathway – a curved path followed by projectiles  \nUnit 5: Universal Gravitation  \n􀁸 Gravitation – the mutual attraction between any two objects with mass  \nUnit 6: Conservation of Energy  \n􀁸 Conservation of energy – the fundamental principle of physics that the total energy of an isolated system is constant, despite internal changes  \n􀁸 Work – a force applied to an object that results in a displacement in the same direction  \n􀁸 Kinetic energy – energy of motion  \n􀁸 Gravitational potential energy – energy related to the position of an object  \n􀁸 Elastic potential energy – energy related to the stretch or compression of an object  \n􀁸 Mechanical energy – the sum of potential and kinetic energy for an object  \n􀁸 Work-energy theorem – when work is done on an object, energy changes  \n􀁸 Power – rate at which energy is transformed  \nUnit 7: Conservation of Momentum  \n􀁸 Con","cbCaiqYNuDWylyxl","https://ap.wps.com/l/cbCaiqYNuDWylyxl","pdf",308688,"English","# Unit 1: Physics Skills and Processes\n# Unit 2: Kinematics in One Dimension and Graphing Motion\n# Unit 3: Newton’s Laws of Motion\n# Unit 4: Two-Dimensional Motion\n# Unit 5: Universal Gravitation\n# Unit 6: Conservation of Energy\n# Unit 7: Conservation of Momentum\n# Unit 8: Thermodynamics\n# Unit 9: Mechanical Waves: Properties and Applications\n# Unit 10: Electromagnetic Waves\n# Unit 11: Electrostatics: Forces, Fields, and Energy\n# Unit 12: Current Electricity\n# Unit 13: Magnetic Fields and Electromagnetism\n# Unit 14: Atomic, Nuclear, Quantum Physics and Relativity\n# Unit 15: Physics is Everywhere","[{\"question\":\"What are hypotheses and how are they used in physics?\",\"answer\":\"Hypotheses are tentative and testable statements that must be capable of being supported or not supported by observational evidence.\"},{\"question\":\"How do independent and dependent variables differ?\",\"answer\":\"The independent variable is adjusted by the experimenter to see what effect the change has on the dependent variable, whose value changes because of that change.\"},{\"question\":\"What is the relationship between work and energy in Unit 6?\",\"answer\":\"The work-energy theorem states that when work is done on an object, energy changes.\"}]","Physics - Instructional Vocabulary | PDF",1790581159]