Force and motion 2

February 11, 2018 Off By admin
Term Definition
Instantaneous speed The speed of an object at one instant of 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 .
Inertia 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 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 how far you have walked . Displacement is the direction and difference in positions between your starting and ending points.