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### 21 Cards in this Set

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 Newtons first law An object will remain at rest unless acted on by a net force Newtons second law The rate of change of momentum on a object is directly proportional to the net force applied to it F=ma (when m is constant) Newtons third law When a body A exerts a force on body B, body B exerts a force that is equal and opposite Law of inertia Amount of resistance to change velocity Momentum Mass x velocity Newton The force that will accelerate a mass of 1kg by 1ms^-2 Impulse (p) Change in momentumArea under force time graph=impulse Principle of conservation of momentum In any direction, in the absence of external forces the total momentum of a system remains constant Perfectly elastic collision No momentum or energy is lost Inelastic collision Momentum is conserved but energy isn't Frequency Number of oscillations/cycles per unit time Angular frequency 2pi x frequency Specific latent heat of fusion The quantity of energy per unit mass required to change from a solid to a liquid at constant temp. Specific latent heat of vaporization The quantity of energy required to change from liquid to a gas at constant temp. Kinetic theory assumptions Large n. Molecules moving randomlyCollisions are elasticNegligible grav. ForcesNo intermoleculer forceTravel in straight lines Internal energy The sum of random distributions of kinetic and potential energies of all molecules in the body Ideal gas All internal energy is random kinetic energy 0th law of thermodynamics If A and B are in thermal equilibrium with C then A is in thermal equilibrium with A Specific heat capacity The amount of thermal energy required to raise the temperature of a unit mass by a unit temp Boyles law The volume of a fixed mass of gas is inversely proportional to the pressure if temperature is constant Newtons law of gravitation Force is proportional to product of masses and inversely proportional to square of seperation