Gravity, A force of attraction between objects that is due to their masses (greater mass = greater attractive force)., F = m x a, The formula for calculating force., Mass, The amount of matter in an object., Weight, A measure of the force of gravity on an object., Energy, The ability to do work or cause change, Potential energy (PE), Stored energy, Kinetic Energy (KE), The energy an object has due to its motion, Speed, The distance an object travels per unit of time, Acceleration, The rate at which velocity changes, velocity, Speed in a given direction, Joule (J), SI unit of energy, pendulum, A device or mass that swings back and forth due to the force of gravity, grams and kilograms, SI units of mass., SI Units, International System of Units (the metric system)., Period, The amount of time required for 1 full swing of a pendulum., m/s, abbrviation for meters per second, a system, an object or collection of objects that are used by physicists to study specific interactions like energy, speed, etc., s = d/t, the formula for calculating speed (velocity)., the Newton (N), SI unit of force, constant steady acceleration, at rest; not moving, constant, steady deceleration, constant steady speed

Energy, Forces, & Motion

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