Force & Motion 2

February 18, 2018 Off By admin
Term Definition
Instantaneous speed The speed of an object at one instant time.
Average speed Equals the total distance traveled divided by the total time taken to travel the distance
Mass Amount of matter in an object.
intertia Tendency of an object to resist a change in its motion.
Law of conversation of momentum States that the total momentum of objects that collide with each other is the same before and after the collision.
Center of mass Point in an object that moves as if all of the object's mass were concentrated at that point.
weight Gravitational force between an object and earth.
Force A push or pull.
Net Force Combination of all forces acting on an object.
Displacement Distance is how far you have walked. Displacement is the direction and difference in position between your starting and ending points.