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### 34 Cards in this Set

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 True or False Physics is the basic scirnce TRUE Remeber physics is about the nature of things What is the language of science Math it is something that cannot be disputed. The sceientific method steps in order are 1. reconize a problem 2. Make a hypothesis 3. predict the cosequences f the hypothesis 4. preform the experiemnt 5. formulate the simplest general rule THINK think thnik.... it makes sence the order True or False a scientist ALWAYS follows a dogma FALSE dogma is strict religous beliefs. technology is applied science, you have to do this to get technological advances speed measure of how fast something is moving rate that distance is covered average speed averaged speed=total distance covered/time how do you figure it out velocity speed with direction one thing makes it difrent from speed accleration change in velocity(speed)/time how do yuo figure it out vector qwuanity direction and speed velocity is one hint they both have "v"s scaler speed speed is one "hint they both start with "s" newton's first law of inertia is also known as... the law of intertia ...people also call it the law of.... inertia an objects resistance to change in strgait constant linear movement Every object continues in a state of rest or a state of motion in a straight line at a constant speed, unless it is compeeled to change that states by foreces exerted upon it. law of inertia( or Newton's first law) this one has 2 names True or false mass is also a measure of inertia TRUe 9.8="g" true 9.8= a newton true net force sum of all forces acting on an object Newton's second law of motion the accleration produced by a net force on an object is directly porportonal to the magnitude of the net force, is in the same direction of the net force, and is inversly proptional to the mass of the object Newton's third law of motion Whenever one object exerts a force on a second object the second object exerta an equal and opposite force on the first object. (for everything thre is a equal and opposite reaction) How many laws dose Newton have 3 impluse= force X time (f(t) impluse also is change in momentum elastic collision bouncy collision inelastic collision non-bouncy collison net mometnum(before collision)=net momentum(after collison) true or false true! conservation of energy says so work = force times distance kinetic engery = 1/2 mass X speed squared conservation of energey energery is neither created nor destoryed it is conserved and transformed true or false centrifugal fotrce keeps you in your vare when you make a turn FALSE! centripital force does torque = force times lever arm in order for something to balance the clockwise and counterclock wise force have to be equal, true or false true resistance= (formula) voltage/current current= (formula) voltage/resistance