Study sets matching "acceleration"

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Study sets matching "acceleration"

25 terms
Acceleration
Acceleration
Newton's First law
Newton's 3rd Law
Friction
Acceleration= force/mass... or Final velocity-intial velocity/t…
Newton's First law states that an object in motion will stay…
For every action force there, is an equal and opposite reacti…
-form of heat energy... -force that slows things down... -rougher s…
Acceleration
Acceleration= force/mass... or Final velocity-intial velocity/t…
Newton's First law
Newton's First law states that an object in motion will stay…
8 terms
Acceleration
speed equation
acceleration equation
acceleration unit
velocity unit
distance (m) ÷ time (s)
a (m/s2) = Vf-Vi (m/s) ÷ t (s)
m/s2
m/s
speed equation
distance (m) ÷ time (s)
acceleration equation
a (m/s2) = Vf-Vi (m/s) ÷ t (s)
9 terms
acceleration
positive acceleration
negative acceleration
centripetal acceleration
newton's first law
speeding up... an increase in velocity... positive change
decrease in velocity ... slowing down
acceleration in a circular motion
objects at rest stay at rest and objects i motion stay in mot…
positive acceleration
speeding up... an increase in velocity... positive change
negative acceleration
decrease in velocity ... slowing down
acceleration
motion
distance
displacement
speed
occurs when an object changes postion relative to a reference…
how far an object has traveld
when an object moves displacement takes place.
the distance an object travels dived by the time(t) it takes
motion
occurs when an object changes postion relative to a reference…
distance
how far an object has traveld
10 terms
Acceleration
Acceleration Formula
standard metric units for acceleration
Rate of change of velocity
Rate of change of position
a = (final velocity - initial velocity)/(final time - initial…
meters/ second squared
acceleration
velocity
Acceleration Formula
a = (final velocity - initial velocity)/(final time - initial…
standard metric units for acceleration
meters/ second squared
17 terms
Acceleration
acceleration
velocity
deceleration
weight
changes in velocity per second of time, formula a = change in…
A vector quantity that includes the speed and direction of an…
Negative acceleration, a decrease in speed
A measure of the force of gravity on an object.
acceleration
changes in velocity per second of time, formula a = change in…
velocity
A vector quantity that includes the speed and direction of an…
Acceleration
acceleration
mass
weight
free fall
the rate that velocity changes over time; a vector
the amount of matter an object contains; does not change base…
force due to gravity; can change based on location
the only force acting on an object is gravity
acceleration
the rate that velocity changes over time; a vector
mass
the amount of matter an object contains; does not change base…
14 terms
Acceleration
acceleration
formula for acceleration
units for acceleration
A runner at the starting line ends up…
The change in velocity, can be speed or direction
(final - start) / time
m/s/s
5 m/s/s
acceleration
The change in velocity, can be speed or direction
formula for acceleration
(final - start) / time
Acceleration
Speed formula
Acceleration formula
Vector quantity
Scalar quantity
Speed = distance/time ... V = s/t
Acceleration = change in speed/time... a = v-u/t
Has a magnitude and direction
Has a magnitude
Speed formula
Speed = distance/time ... V = s/t
Acceleration formula
Acceleration = change in speed/time... a = v-u/t
12 terms
Acceleration
Acceleration
Constant acceleration
Negative acceleration
Positive acceleration
the rate at which an object change its velocity
velocity changing by a constant amount each second
speed is decreasing; slowing down
speed is increasing; speeding up
Acceleration
the rate at which an object change its velocity
Constant acceleration
velocity changing by a constant amount each second
12 terms
Acceleration
Acceleration
Constant acceleration
Negative acceleration
Positive acceleration
the rate at which an object change its velocity
velocity changing by a constant amount each second
speed is decreasing; slowing down
speed is increasing; speeding up
Acceleration
the rate at which an object change its velocity
Constant acceleration
velocity changing by a constant amount each second
Acceleration
Acceleration
Formula for Acceleration
Speeding up =
Slowing down =
Rate of change of velocity
Vf-Vi/t
Acceleration (positive number)
Deceleration (negative number)
Acceleration
Rate of change of velocity
Formula for Acceleration
Vf-Vi/t
acceleration
What is acceleration?
What is velocity?
Acceleration can change if the speed O…
positive acceleration
The rate of change in velocity, with direction
Speed of a moving object, with direction
Ex: car going around a curve
positive acceleration means an increase in velocity
What is acceleration?
The rate of change in velocity, with direction
What is velocity?
Speed of a moving object, with direction
16 terms
Acceleration
acceleration
speed
speeds up
in the direction
_________ tells how much an object's speed changes in one sec…
Acceleration tells how much an object's _______ changes in on…
When an object ______ ___, its acceleration is in the directi…
When an object speeds up, its acceleration is ___ ___ _______…
acceleration
_________ tells how much an object's speed changes in one sec…
speed
Acceleration tells how much an object's _______ changes in on…
22 terms
Acceleration
motion
reference point
International System of Units
meter
the stage in which one object's distance from another is chan…
a place or object used for comparison to determine if an obje…
used by scientists to measure the properties of matter
The base SI unit of length
motion
the stage in which one object's distance from another is chan…
reference point
a place or object used for comparison to determine if an obje…
5 terms
Acceleration
Velocity
What is the difference between speed a…
Acceleration
Example of positive acceleration
includes speed of an object and the direction of its motion
Velocity includes direction where speed does not.
rate of change of velocity - acceleration occurs when an obje…
A plane takes off...
Velocity
includes speed of an object and the direction of its motion
What is the difference between speed a…
Velocity includes direction where speed does not.
Acceleration
Acceleration
Constant acceleration
Negative acceleration
Positive acceleration
the rate at which an object change its velocity
velocity changing by a constant amount each second
speed is decreasing; slowing down
speed is increasing; speeding up
Acceleration
the rate at which an object change its velocity
Constant acceleration
velocity changing by a constant amount each second
18 terms
Acceleration
Acceleration
Formula for Acceleration
Speeding up =
Slowing down =
Rate of change of velocity
Vf-Vi/t
Acceleration (positive number)
Deceleration (negative number)
Acceleration
Rate of change of velocity
Formula for Acceleration
Vf-Vi/t
Acceleration
a=VF-VI/T
The rate at wich velocity changes
S=D/T
D=SxT
Final velocity minus initial velocity Divided by time
Acceleration: (Positive or negetive)
Speed=Distance divided by time
Distance= Speed x time
a=VF-VI/T
Final velocity minus initial velocity Divided by time
The rate at wich velocity changes
Acceleration: (Positive or negetive)
7 terms
Acceleration
Acceleration
Acceleration equation (long)
Acceleration
vf=
the rate at which velocity changes
acceleration (m/s2) = ... final velocity (m/s) - initial velocit…
a= vf - vi /t
final velocity (m/s)
Acceleration
the rate at which velocity changes
Acceleration equation (long)
acceleration (m/s2) = ... final velocity (m/s) - initial velocit…
48 terms
Acceleration
Acceleration (symbol, PQ)
Acceleration (magnitude/direction)
Acceleration doesn't show...
Acceleration
a ... Vector
M: rate of change of speed (how fast slow down or speeding up…
The distance
Rate of change of velocity... Rate of a rate
Acceleration (symbol, PQ)
a ... Vector
Acceleration (magnitude/direction)
M: rate of change of speed (how fast slow down or speeding up…
15 terms
Acceleration
Acceleration is
Acceleration, as a vector, it must be…
Acceleration occurs anytime an object'…
Average acceleration...
the rate of change of velocity with time.
magnitude and direction
speed increases,... speed decreases, or... direction of motion chan…
is measured over a non-zero time interval and... is represented…
Acceleration is
the rate of change of velocity with time.
Acceleration, as a vector, it must be…
magnitude and direction
Acceleration
Acceleration
Deceleration
Gravity
Free Fall
The change of speed over time.
Occurs when change in speed, or acceleration, is in the negat…
Pulls everything down toward the center of the Earth. The ste…
The acceleration of a falling object under the influence of t…
Acceleration
The change of speed over time.
Deceleration
Occurs when change in speed, or acceleration, is in the negat…
20 terms
Acceleration
acceleration
speed, direction
acceleration
time
_______ is the rate at which velocity changes
Increasing ______, decreasing speed or changing ______ are al…
A satellite orbiting the earth at a constant speed has ______…
Acceleration = Final Speed minus Initial Speed... divided by __…
acceleration
_______ is the rate at which velocity changes
speed, direction
Increasing ______, decreasing speed or changing ______ are al…
20 terms
Acceleration
What is Acceleration?
What are the three ways to accelerate?
When the net force is zero...
What two things affect acceleration?
Change in Velocity
Speed Up Slow Down Change Direction
There is no acceleration Equilibrium
Mass... when Mass goes up acceleration goes down Force... whe…
What is Acceleration?
Change in Velocity
What are the three ways to accelerate?
Speed Up Slow Down Change Direction
23 terms
Acceleration
acceleration
a value of zero / 0
Instantaneous velocity and average vel…
A boat traveling at a speed of 20 m/s…
change in direction... speeding up... slowing down
"starting at rest" and "stops'
Velocity is constant
40 m ... d=(vfinal^2-vinitial^2)/(2a)
acceleration
change in direction... speeding up... slowing down
a value of zero / 0
"starting at rest" and "stops'
8 terms
Acceleration
Constant velocity
Changing velocity
What happens when velocity and acceler…
What happens when velocity and acceler…
Speed and direction stay the same; no acceleration
Occurs if an object speeds up, slows down, or changes directi…
The object speeds up
The object slows down
Constant velocity
Speed and direction stay the same; no acceleration
Changing velocity
Occurs if an object speeds up, slows down, or changes directi…
21 terms
Acceleration
What is acceleration?
When does acceleration occur?
What is the formula for acceleration?
controls in a car that cause accelerat…
it is the change in velocity over a given amount of time
When an object speeds up, slows down, or changes direction
a=vf-vi/t
gas pedal, steering wheel, brake pedal
What is acceleration?
it is the change in velocity over a given amount of time
When does acceleration occur?
When an object speeds up, slows down, or changes direction
7 terms
Acceleration
How do you find the rate of accelerati…
When the acceleration SLOWS DOWN, is i…
The unit for acceleration is ___________
When ACCELERATION is CONSTANT in a gra…
divide speed by time (final speed minus initial speed divided…
NEGATIVE (-minus)
m/s/s (or m/s SQUARED)
flat horizontal
How do you find the rate of accelerati…
divide speed by time (final speed minus initial speed divided…
When the acceleration SLOWS DOWN, is i…
NEGATIVE (-minus)
20 terms
Acceleration
is the rate of change in velocity.
Acceleration involves a change in spee…
Which most likely could cause accelera…
Isla's change in velocity is 30 m/s, a…
Acceleration
direction
wind... water movement... a hill... a stop light
Isla had a different time than Hazel.
is the rate of change in velocity.
Acceleration
Acceleration involves a change in spee…
direction
6 terms
Acceleration
What does (a) stand for?
What does (v) stand for?
What does (u) stand for?
What does (t) stand for?
Acceleration
Final Velocity
Starting Velocity
Time
What does (a) stand for?
Acceleration
What does (v) stand for?
Final Velocity
10 terms
Acceleration
What happens when a car speeds up?
What is the equation for acceleration?
What is the shortened equation for acc…
What does delta mean?
It ACCELERATES
acceleration = change in speed... ________________________... tim…
a = delta v... __________
change
What happens when a car speeds up?
It ACCELERATES
What is the equation for acceleration?
acceleration = change in speed... ________________________... tim…
Acceleration
Speed
Constant Speed
Average Speed
Instantaneous Speed
the distance traveled per unit time; _______ is a scalar quan…
speed that does not change over a period of time.
the total distance traveled divided by the time it took to tr…
the speed at any given moment.
Speed
the distance traveled per unit time; _______ is a scalar quan…
Constant Speed
speed that does not change over a period of time.
31 terms
Acceleration
Define acceleration
acceleration can be described as a ___…
what does acceleration tell us?
How many units of time does accelerati…
the rate of change in velocity
rate of a rate
How fast is "how fast" changing
2
Define acceleration
the rate of change in velocity
acceleration can be described as a ___…
rate of a rate
21 terms
acceleration
acceleration
velocity
vector
4 types of friction
increasing speed, any change in velocity, decreasing speed, c…
The change of direction
Direction
fluid, sliding, Rolling, static friction
acceleration
increasing speed, any change in velocity, decreasing speed, c…
velocity
The change of direction
9 terms
Acceleration
How to calculate acceleration?
Is Velocity the same with speed?
Acceleration equation
Two common written acceleration
You can calculate the acceleration of an object from its chan…
Velocity is not exactly the same as speed. Velocity has a dir…
a = (v-u)/t
m/s/s or m/s2
How to calculate acceleration?
You can calculate the acceleration of an object from its chan…
Is Velocity the same with speed?
Velocity is not exactly the same as speed. Velocity has a dir…
9 terms
Acceleration Vocabulary
Increase
Decrease
Acceleration
Initial
Go up
Go down
increasing speed or decreasing speed... a=Vf-Vi/t
Start
Increase
Go up
Decrease
Go down
Acceleration
Speed up, slow down, changing direction
Direction,speed,velocity
Constant speed
Analyze the motion of an object
Three signs of acceleration
Changes that can cause an object to accelerate
Straight line, constantly still
What can u use a speed-vs-time graph & a distance-vs-time gra…
Speed up, slow down, changing direction
Three signs of acceleration
Direction,speed,velocity
Changes that can cause an object to accelerate
7 terms
Acceleration
Acceleration
Average acceleration
If velocity is constant
Deceleration
Rate of chagne of velocity... Vector: magnitude and direction... Ch…
Change in velocity/time over change
Both speed and direction are constant... No acceleration
Acceleration in the direction opposite of the velocity... Accele…
Acceleration
Rate of chagne of velocity... Vector: magnitude and direction... Ch…
Average acceleration
Change in velocity/time over change
6 terms
Acceleration
Postive acceleration
Negative accelaration
Acceleration
Intial velocity
Speeding up
Slowing down
The increase of speed pr something
Where the intial velocity which velocity motion begins
Postive acceleration
Speeding up
Negative accelaration
Slowing down
17 terms
acceleration
acceleration
Symbol for acceleration
Unit for acceleration
1st way to accelerate
rate of change of velocity over time
a
meters per second squared
speeding up
acceleration
rate of change of velocity over time
Symbol for acceleration
a
Acceleration
Acceleration
SI unit of acceleration
Acceleration
Instantaneous acceleration
The rate of change of velocity with time.
m/s^-2
The slope of straight line of velocity-time graph.
It is the slope of the tangent at any point to the v-t curve…
Acceleration
The rate of change of velocity with time.
SI unit of acceleration
m/s^-2
6 terms
Acceleration
acceleration
velocity
magnitude and a direction
centripetal acceleration
occurs when an object changes velocity
has both speed and acceleration
the two components of acceleration
the acceleration that occurs when an object move in a circula…
acceleration
occurs when an object changes velocity
velocity
has both speed and acceleration
Acceleration
Acceleration in the direction opposite…
_____ is the rate at which velocity ch…
Acceleration always refers to a(n)
A change in direction without a change…
Negative
Acceleration
change in velocity.
False
Acceleration in the direction opposite…
Negative
_____ is the rate at which velocity ch…
Acceleration
11 terms
Acceleration
Acceleration
Average acceleration
Acceleration Units
Constant velocity
Quantity that describes the rate of change of velocity in a g…
Change in velocity divided by the time required for change
m/s^2
acceleration is zero
Acceleration
Quantity that describes the rate of change of velocity in a g…
Average acceleration
Change in velocity divided by the time required for change
ACCELERATION
Accelerating
Constant
Points
Final-initial/time
A change in velocity over time
If a car is not moving at a _________ speed it is accelerating
To calculate acceleration over time you must measure the obje…
What is the formula for acceleration
Accelerating
A change in velocity over time
Constant
If a car is not moving at a _________ speed it is accelerating
7 terms
Acceleration
Acceleration
Measured in
Deceleration
How mass affects acceleration
Any change in speed or direction
m/s^2... Meters per second squared
A specific type of acceleration that specifies the speed is s…
When the same amount of force is applied, the greater the mas…
Acceleration
Any change in speed or direction
Measured in
m/s^2... Meters per second squared
6 terms
Acceleration
Velocity
Instantaneous acceleration
Acceleration
Free fall
It shows how velocity is related to time
The change in velocity of an object at an instant of time
The rate at which an object's velocity changes
The motion of falling objects when air resistance is negligible
Velocity
It shows how velocity is related to time
Instantaneous acceleration
The change in velocity of an object at an instant of time
6 terms
Acceleration
Acceleration
Decceleration
Instantaneous acceleration
Velocity-time graph
The rate of change in velocity.
Slowing down,has a negative slope,negative acceleration.
Rate of accelertion at a single instance.
A graph shows the velocity change in time.
Acceleration
The rate of change in velocity.
Decceleration
Slowing down,has a negative slope,negative acceleration.
7 terms
Acceleration
Acceleration
Formula for acceleration
Units
How do you know if something is accele…
Rate at which velocity changes
A=vf-vi\t
m/s/s or km/h/s
If it increase in speed decrease in speed or changes in direc…
Acceleration
Rate at which velocity changes
Formula for acceleration
A=vf-vi\t
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