Motion
If an object is moving (at any rate), it has...
motion
Speed tells you how _____ an object is moving.
fast
Velocity is speed given a...
direction
The formula below solves for what?
? = change in velocity / time
acceleration
What is the force that causes an object in free fall to accelerate?
gravity
Motion is described using ____ such as speed, velocity, and acceleration.
rates
Speed is measured in units of...
distance/time
An object moving at a constant speed and a constant direction would be an example of...
constant velocity
Acceleration measures a ______ with respect to time.
change in velocity
Acceleration due to gravity (g) =
10 m/s2
Motion along a straight-line path is known as...
linear motion
An object's speed at a given moment is known as...
instantaneous speed
Velocity changes when _____, ______, or both are changed.
speed, direction
The units of acceleration are ...
distance/time2
When an object is in free fall, every second it falls by a _____ distance than it did during the previous second.
greater
A rate is a quantity divided by...
time
Average speed tells you the speed of an object based on ________ traveled in a given about of time.
total distance
An example of changing velocity would be...
there are many answers
When an object has a constant velocity, its acceleration is...
0
When a ball is thrown in the air, the ball is _______ at a rate of 10 m/ss (Note the sign)
decelerating
What type of motion is known as moving with respect to something else?
The slope of a distance (y-axis) vs time (x-axis) graph tells you the...
speed
When are velocity and speed are interchangeable (equal)?
When moving in a straight line (the same direction)
The slope of a velocity (y-axis) vs time (x-axis) graph tells you the...
acceleration
When a ball is thrown in the air, the vectors for velocity (v) and acceleration due to gravity (g) point in the ______ direction on the way up.
opposite