CHAPTER THIRTEEN VOCABULARY

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CHAPTER THIRTEEN VOCABULARY - PowerPoint PPT Presentation

CHAPTER THIRTEEN VOCABULARY. FORCES IN MOTION. Velocity. The speed and direction of an object’s motion. Force. A push or a pull that acts on an object. Work. Energy used when a force moves an object. Power. The rate at which work is done. Equilibrium.

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CHAPTER THIRTEEN VOCABULARY

FORCES IN MOTION

Velocity
• The speed and direction of an object’s motion.
Force
• A push or a pull that acts on an object.
Work
• Energy used when a force moves an object.
Power
• The rate at which work is done.
Equilibrium
• The state in which the net force is zero.
Inertia
• The tendency of an object to resist a change in motion.
Acceleration
• The rate at which the velocity of an object changes over time.
Machine
• A device that changes the direction or the amount of effort needed to do work.