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chapter 2 RJ
Question | Answer |
---|---|
Distance | how far an object moves. |
displacement | distance and direction of an objects change in position from the starting point. |
speed | distance an object travels per unit of time. |
average speed | total distance an object travles divided by the total time it takes to travel that distance |
instantaneous speed | speed of an obbject at a given point in time |
velocity | the speed and direction of a moving object |
acceleration | rate of change of velocity |
force | a push or a pull exrted on an object |
net force | sum of the forces that are acting on an object |
balanced force | forces on an object that combind to give a zero net force and do not change the motion of the object. |
inertia | resistance of an object to a change in its motion. |