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Force & Motion

QuestionAnswer
Reference Point A reference point is the starting point you choose to describe the location, or position, of an object.
Position A position is an object's distance and direction from a reference point.
Motion Motion the process of changing position.
Displacement Displacement is the difference between the initial, or starting, position and final position.
Speed Speed is a measure of the distance an object travels in a given amount of time.
Velocity Velocity is the speed and direction of a moving object.
Vector A vector is a quantity that has both magnitude and direction.
Acceleration Acceleration is a measure of the change in velocity during a period of time.
Force Force is a push or a pull on an object.
Contact Force A contact force is a push or pull on one object by another object that is touching it.
Newton's Second Law of Motion Newton's second law of motion states that the acceleration of an object equals the net force on the object divided by the object's mass.
Friction Friction is a force that resists the sliding motion of two surfaces that are touching.
Free-Body Diagram A free-body diagram is a simple model to understand systems of objects with any amount of applied forces.
Net Force The net force is the sum of all forces acting on an object.
Newton's First Law of Motion Newton's first law of motion states that an object in motion will stay in motion, and an object at rest will stay at rest unless acted by a force.
Inertia To resist any change in motion
Created by: user-2020355
 

 



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