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Force & Motion Unit

Force and Motion Unit

QuestionAnswer
What information is needed to determine the average velocity of an object direction, and speed
Speed how fast an object is moving over distance/time
Velocity the rate at which an object changes position, over displacement/time.
Displacement an object’s change in position and includes information about distance and direction
Newton’s First Law of Motion bodies at rest tend to remain at rest and bodies in motion tend to remain in (straight-line) motion unless acted upon by another force.
Factors affecting gravitational pull Mass of both objects and distance between objects
Newton’s Third Law of Motion every action has an equal and opposite reaction
average acceleration a = Δv/Δt, or change in velocity divided by change in time
force F= ma or mass times acceleration
1 Newton equals 1kg m/s^2
weight force on the object due to gravity.
Balanced Forces all forces have an equal force opposite it
total force sum of all forces acting on an object, motion always occurs in the direction of the total force.
average speed formula s = Δd/Δt, or change in distance divided by change in time
Total displacement Straight line from beginning position to final position must include direction of travel (when solving always draw a diagramand draw a straight line from beginning to end of travel) NOT THE DISTACE OF THE PATH
Created by: bcrowe1
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