Unit III Vocabulary | Vocab Set #1 | Vocab Set #2 | Vocab Set #3 | Vocab Set #4
Acceleration: equals the change in velocity divided by the time for the change to take place; occurs when an object speeds up, slows down, or turns.
Average Speed: equals the total distance traveled divided by the total time taken to travel the distance.
Inertia: the tendency of an object to resist a change in its motion.
Instantaneous Speed: the speed of an object at one instant of time.
Law of Conservation of Momentum: states that the total momentum of objects that collide with each other is the same before and after the collision.
Mass: amount of matter in an object.
Momentum: a measure of how difficult it is to stop a mvoing bject; equals the product of mass and velocity.
Speed: equals the distance traveled divided by the time it takes to travel that distance.
Velocity: the speed and direction of a moving object.