Chapter 15 Study Guide
Acceleration is a change in speed or direction of an object’s motion.
Force is a push or a pull, which is measured in
Friction is a force that resists motion, relative to each other, of objects that are touching.
Gravitation is a force that acts between all masses and causes them to attract one another.
Gravity is the force of attraction between Earth and other objects.
Inertia is the property of matter that keeps a moving object moving in a straight line.
Mass is the amount of matter something contains.
Speed is the change of position during a unit of time.
Velocity is the speed and direction of an object.
Weight is the measurement of the force of gravity on an object.
Know how to measure Speed, and be able to tell the difference between an object’s weight and mass.
Don’t forget to study your notes, worksheets, and old quizzes.