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Acceleration
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Gravity
Key Concepts:
Terms in this set (21)
acceleration
the rate at which velocity changes
deceleration
negative acceleration (slowing down)
positive acceleration
speeding up
3 ways to accelerate
speed up, slow down, change direction
acceleration formula
a=vf-vi/t
speed formula
s=d/t
distance formula
d= s x t
time formula
t=d/s
velocity formula
v=d/t, direction
velocity
speed & direction
rising line on a velocity time graph
shows positive acceleration
flat line on a velocity time graph
shows an interval of no acceleration and the object is maintaining a constant velocity/speed
falling line on a velocity time graph
shows negative acceleration
distance-time graph
a graph showing speed
velocity-time graph (speed-time graph)
a graph showing acceleration
Centre of mass
The position in an object at which we measure its position when we model the object as a point like particle.
Frame of reference
settings from which measurements are taken
Gravitational force
force by one mass on another mass
Gravity
The common name given to the force applied by the very large mass on earth to the relatively smaller masses.
Reaction distance
distance travelled from the time that the driver notices a situation and the time that the brakes are first applied.
Vector
A quantity that has both magnitude and direction.
THIS SET IS OFTEN IN FOLDERS WITH...
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