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15 Cards in this Set

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 What is the equation for calculating accleration? Final Speed - Initial Speed time What does the Law of Conservation of Momentum state? When two objects collide, the total momentum before the collision is the same as the total momentum after the collision Momentum depends on what two things? Mass and Velocity Five km west is an example of? Displacement When looking at a speed-time (velocity/acceleration) graph, how do you know if the time intervals are positively accelerating, negatively accelerating, or showing zero acceleration? Positive-line slopes upward, the steeper the line the faster the acceleration. Negative-line slopes downward. Horizontal line equals zero acceleration Any object traveling in a circle is said to be ______ Accelerating What unit is used to describe mass? kilogram What is the equation for calculating momentum? mass x velocity What unit is used to measure net force? Newton If the forces acting on an object are balanced the net force is? zero What are balanced forces? Forces that cancel each other out and not cause a change in an object's position (motion) If net force acts on an angle to the direction an object is moving, the object will follow a(n) _______ path? curved The gravitational force of any object near Earth's surface is measured at what acceleration? 9.8 m/s2 What force exists between any two objects with mass? This also keeps up from floating away into space Gravity Friction brings almost all moving objects to a _____? Stop