Chemistry
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21 Terms
Distance
It is the total length traveled and is always positive.
Displacement
It is the change in position with a DIRECTION and can be positive, negative, or zero.
Speed
It is the distance over time. It is always positive and is equal to the absolute value of velocity.
Velocity
It is displacement over time and can be positive or negative.
Distance
It is equivalent to Speed x Time.
Speed
It is equal to Distance/Time
Time
It is equal to Distance/Speed
Acceleration
It is how fast (time) speed/velocity is changing.
Gravitational Acceleration
It is the vertical velocity.
-9.8
It is the gravitational acceleration of Earth.
Final Velocity
It is equal to the sum of initial velocity and acceleration.
Speeding Up
It is when the acceleration and velocity has the same sign.
Slowing Down
It is when acceleration and velocity has the different signs.
Projectile Motion
It is an object moving under the influence of gravity.
Velocity X
It is always constant if acceleration is equal to 0.
Newton’s First Law
Still objects stay still. Moving objects move at a constant speed unless acted on by force or friction.
Force
It is a push and pull action.T
Tension
It is a pulling force.
Rest
It is when no force is being applied. Fr
Friction
It opposes or slows down motion.
Force
It is equal to mass x acceleration.