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### 35 Cards in this Set

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 A_____ has both magnitude and direction vector A _____ has magnitude and no direction scaler ______ is the size or amount of something and includes a unit of measurement magnitude every vector can be represented as the sum of its _____ components If a book sits on a table the table exerts an upward _______ on the book normal force the sum of two vector is called the ______ resultant _______ is the relationship between a spring's change in length and the force it exerts Hooke's Law A _______ vector shows an object's change in position displacement external movement around the axis revolves internal movement around the axis rotates ______ is the measure of how fast an objects rotates or revolves angular speed An inward ____ is needed to move an object in a circle centripetal force the ________ describes the relationship between mass, distance, and gravitational force law of universal gravity an object's ____ is the average position of all the particles that make up its mass. control mass A ____ is made up of only one type of molecule compound A _____ is a physical combination of different compounds and or elements mixture On what scale does water boil at 100degrees and freezes at 0 degrees celsius scale the flow of thermal energy is called _____ heat heat transfer through currents in air or water is called ____ convection The mass of a body is the only property of that body that determines its _____ inertia f X t impulse if Sam pushes a block one meter with a force of one newton, he has done one _____ of work on the block. joule the ratio of the output force to the input force is called ____________. mechanical advantage The rate at which an appliance uses energy is indicated as the appliance's _______ power rating the size of a scalar or vector quantity may be called its _______ magnitude the vertical and horizontal components of a projectiles motion are _______ of one another independent the MEASURE of the average kinetic energy of the atoms in an object is called ________ temperature the SUM of the average kinetic energy of the atoms in an object is called _______ thermal energy ______ results from splitting or fusing atoms nuclear energy When the force due to gravity equals the force due to air resistance, the speed of a falling object is called its ______. terminal velocity The ______ states that the total amount of momentum in a closed system cannot change. law of momentum conservation the mass of an object multiplied by its velocity equals its _____ momentum stick together: collision inelastic collision bounce off each other : collision elastic collision nothing nothing