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Notes

QuestionAnswer
Reference point is the starting point you choose to describe the location, or position of an object.
Position Position is an object's distance and direction from a reference point.
Motion the process of changing position
Displacement is the difference between the initial, or starting. position and the final position
Speed is measure of the distance an object travels in a given amount of time
Velocity is the speed and direction of a moving object.
vector is a quantity that has both magnitude and direction
Acceleration is a measure of the change in velocity during a period of time
Force is a push or a pull on an object.
Contact force force is a push or pull on one object by another object that is touching it
Newton's third law states that when an objects applies a force on another object, the second object applies a force of the same strength on the first object.
Newton's second law states that the acceleration of an object equals the net force on the object divided by the object's mass.
newton's first law states that an object in motion will stay in motion, and an object at rest will stay at rest unless acted on by a force
Firtction is a force that resists the sliding motion of two surfaces that are touching.
free body diagram is a simple model to understand systems of objects with any amount of applied forces
new force is the sum of all the forces acting on an object
Force pairs is the forces two objects apply to each other
normal force is the force that pushes perpendicular to the object's surface .
noncontact force is a force that one object can apply to another object without touching it
Inertia resists change of state of motion
Inelastic when colliding objects bounce off each other
Elastic when colliding objects don't bounce off each other
Gravity is a attractive force that exists all objects that have mass
Weight is a gravitational force exerted on an object
field a region of space in gravity that has physical quantity
Created by: user-2020942
 

 



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