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A comprehensive overview of key concepts in ap physics 1, including detailed explanations and answers to common questions. It covers fundamental topics such as vectors, kinematics, newton's laws, work and energy, momentum, circular motion, gravitation, and equilibrium. The document serves as a valuable resource for students preparing for the ap physics 1 exam, offering in-depth understanding of the core principles and problem-solving strategies. With its clear explanations, practice questions, and relevant formulas, this document can be utilized as study notes, lecture materials, or a summary to support students in mastering the essential concepts and skills required for success in the ap physics 1 course and exam.
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vector - ANS quantity that involves both magnitude and direction scalar - ANS a quantity that does not involve direction twp tow dimensional vectors - ANS vectors that lie flat on a plane and can be written as the sum of a horizontal and vertical vector kinematics - ANS mathematical tools for describing motion in terms of displacement, velocity, and acceleration position - ANS location in some point in space displacement - ANS change in position average speed formula - ANS total distance/ time d/t average velocity - ANS displacement/ time △x/△t velocity - ANS speed plus direction acceleration - ANS change in velocity/ time △v/△t slope of position-versus-time graph - ANS velocity
slope of velocity-versus-time graph - ANS acceleration area between the graph and the t axis on a velocity-versus-time graph - ANS object's displacement gravity - ANS -10 m/s^ Newton's first law - ANS an object at rest will stay at rest and an object in motion will stay in constant velocity unless a net force acts on it (law of inertia) Newton's second law - ANS Newton's third law - ANS for every action there is an equal but opposite reaction (action/ reaction pair) newton - ANS kg m/s^ unit of force inertia - ANS the property of objects to naturally resist changes in their states of motion weight (of an object) - ANS the gravitational force exerted on it by the Earth or whatever planet Fw or Fg= mg normal force - ANS component of force that's perpendicular to the surface free-body (or force) diagram - ANS friction force - ANS the component of the contact force that's parallel to the surface
total mechanical energy - ANS the sum of an object's kinetic and potential energies, denoted by E E= K+U law of conservation of total energy - ANS Ki + Ui = Kf +Uf (initial mechanical energy Ei = final mechanical energy Ef) power - ANS the rate at which one does work given by P= W/t or P=Fv momentum - ANS vector quantity given by p= mv impulse - ANS -pushing on an object for a certain amount of time -impulses cause a change in momentum -vector J= F△t or J=△p conservation of momentum - ANS -the total linear momentum of an isolated system remains constant total p initial = p final uniform circular motion - ANS -speed is constant velocity is not because the direction of velocity is always changing -in order to product acceleration there must be a force centripetal acceleration - ANS centripetal= towards the center centripetal force - ANS newton's law of gravitation - ANS any two objects in the universe exert an attractive force on each other called the gravitational force
universal gravitational constant (G)= - ANS gravitational force - ANS r is the distance between the two objects center of mass - ANS torque - ANS -a property of force that makes an object rotate - NOT A FORCE transitional equilibrium - ANS -sum of all forces acting on an object is 0 F net= rotational equilibrium - ANS T net = 0 static equilibrium - ANS an object is at rest rotational inertia - ANS also known s the moment of inertia -the tendency of an object in motion to rotate until acted upon by an outside force - ANS