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Section Chapter 6 Notes - Motion and Gravity
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Terms in this set (14)
Objects fall to the ground at the ______ rate because acceleration due to ________ is the same for all objects.
SAME; GRAVITY
As shown on thenext slide, for every second that an object falls, the objects downward velocity increases by _______ m/s.
9.8
You can calculate the change in velocity with the following equation:
🔼v = g • t
If an object stars at test, this equation yields the velocity of the object after a certain _______ period.
TIME
_____ _____________ is the force that opposes the motion of objects through ______.
AIR RESISTANCE; AIR
The amount if air resistance acting on an object depends on the ______, ______, and _______ of the object.
SIZE; SHAPE; SPEED
As the speed of a falling object ______, air resistance _____.
INCREASES; INCREASES
The ______ force of air resistance continues to increase until it is equal to the downward force of gravity.
UPWARD
The object then falls at a constant velocity called the _________ _________.
TERMINAL VELOCITY
An object is in ______ ______only if gravity is pulling it down and no other forces are acting on it.
FREE FALL
A _______ is a place in which there is no matter. Objects falling in vacuum are in free fall because there us no air resistance.
VACUUM
____________ ____________ is the curved oath an object follows when it is thrown or propelled near the surface if the _______.
PROJECTILE MOTION; EARTH
________ ___________ is a motion that is parallel to the ground.
HORIZONTAL MOTION; PARALLEL
__________ _______ is motion that is __________ to the ground.
VERTICAL MOTION; PERPENDICULAR
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