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# McCoyPhySciMotionRev

### McCoyPhySciMotionReview

When an object changes position over time. Motion
What is the difference between speed and velocity? Velocity is speed in a direction.
The rate at which velocity decreases? Deceleration.
Force applied but no movement? Static friction.
Using a hand cart to move furniture? Rolling friction
Using a blanket to move something heavy? sliding friction
Horizontal line on a speed graph? At rest
Horizontal line on an acceleration? Accelerates at a constant rate
Distance divided by time Speed
A push or a pull Force
Adding together all forces Net Force
If two forces are in opposite directions how do we determine the overall force Subtract
If two forces are going in the same direction how do we determine the overall force Add
A force that opposes motion between two surfaces that is touching Friction
Falling object stops accelerating Terminal Velocity
Unit for force Newton
Net force is greater than zero Unbalanced
Net force is zero, no change in motion Balanced
Depends on gravity Weight
Always stays the same no matter where you are Mass
Lowest amount of force needed to make move, air, lubricants Fluid Friction
Diagonal line on a speed graph Constant Speed
Diagonal line on an acceleration graph Incresing Velociy
Bent line on a speed graph Inconsistant speed
Created by: mmccoy