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# Forces And Motion

### 3rd Grade, Alexander, Forces And Motion Study Stack

TermDefinition
What is Acceleration? an increase in an object's velocity
What is Equilibrium? a state of balance where opposing forces on an object simply cancel each other out, and the object remains stable and unchanged
What is Force? something that changes an object's state of rest or motion
What is Friction? the force that pulls anything on the Earth's surface toward the center of the Earth
What is Gravity? a force that pulls anything on the Earth's surface toward the center of the Earth
What is Inertia? an object at rest will stay at rest, and an object in motion will stay in motion unless a force is introduced
What is Kinetic Energy? the energy an object has because it is moving
What is Momentum? a tendency of an object to keep moving when it is in motion
What is Potential Energy? energy that is stored up on an object because of it's position
What is Velocity? how fast an in what direction an object is traveling
What is Newton's Third Law? for every action, there is an equal and opposite reaction
What is an Example Of Friction? brakes on a car
If you kick a bowling ball and a tennis ball with the same amount of force, according to Newton's Second Law of Motion, what will happen? the tennis ball will travel farther than the bowling ball
According to Newton's First Law of Motion an object in motion will stay in motion unless acted upon by an outside force
What is an example of kinetic energy? a skier moving swiftly down a hill
A skateboarder at the top of a ramp has what? potential energy
The scientific study of energy and matter and how they interact with each other is called? physics
Give an example of Newton's Third Law, for every action there is an equal and opposite reaction. Give an example
Created by: JoseMendoza