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Definitions

science

TermDefinition
Acceleration A measure of the change in velocity during a period of time.
Force A push or a pull on an object.
Contact Force A push or a pull on one object by another object that is touching it.
Friction A force that resists the sliding motion of two surfaces that are touching.
Free-Body Diagram A simple to model to understand systems of objects with any amount of applied force.
Net Force The sum of all the forces acting on an object.
Newton's second law of motion The acceleration of an object equals the net Force on the object divided by the object's mass.
Newton's first law of motion An object in motion will stay in motion, and an object at rest will stay at rest unless acted on by a force.
Reference Point The starting point you choose to describe the location , or position, of an object.
Position An object's distance and direction from a reference point.
Motion The process of changing position.
Displacement The difference between the initial, or starting, positon, and the final position.
Speed A measure of the distance an object travels in a given amount of time.
Velocity The speed and direction of a moving object.
Vector A quantity that has both magnitude and direction.
Inertia To resist any change in motion
Newton's Third Law of Motion Newton's third law of motion states that when an object applies a force on another object, the second object applies a force of the same strength on the first object, but the force is in the opposite direction.
Force Pair A force pair is the forces two objects apply to each other.
Normal Force The normal Force is the force that pushes perpendicular to the object's surface.
Elastic Collision When controlling objects bounce off each other.
Inelastic Collision An inelastic collision is a collision where total kinetic energy is not conserved, but momentum is.
Non-Contact Force A non-contact force is a force that one object can apply to another object without touching it.
Gravity Gravity is an attractive force that exists between all objects that have mass.
Field A field is a region of space that has a physical quantity (such as a force) at every point.
Weight Weight is the gravitational force exerted on an object.
Created by: user-2023178
 

 



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