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Formulas
Vocab. 1
Vocab. 2
Main Ideas
Math Problems
100
Formula for speed
distance/time
100
The location of an object
position
100
a change in position over time
motion
100
Give an example of how energy can change forms
Answers vary
100
An object travels 200 meters in 8 seconds. Find the speed.
25 m/s
200
Formula for acceleration
change in speed / time
200
how quickly something is changing position
speed
200
a change in speed over time
acceleration
200
How is motion related to speed?
motion is changing positions and speed is how fast motion occurs.
200
An object weighs 34 kg and is traveling at a speed of 20 m/s. What is the objects momentum?
680 kg m/s
300
Formula for momentum
mass X speed
300
a push or pull from one object to another
force
300
a group of objects that can be used to determine speed and motion
frame of reference
300
What is Newtons first law of motion?
objects at rest stay at rest and objects in motion stay in motion unless acted upon by an unbalanced force.
300
An objects speed increased from 5 m/s to 26 m/s in 7 seconds. What was that objects acceleration?
3 m/s/s
400
Formula to find the strength of an unbalanced force
Mass X acceleration
400
the force that opposes two objects sliding past eachother
friction
400
Force that causes a change in motion
unbalanced force
400
What is newtons 2nd law of motion?
unbalanced force can be calculated by doing mass of the object multiplied by its acceleration
400
An object traveled a distance of 175 meters north in 7 seconds. What was that objects velocity?
25 m/s North
500
What is the difference between finding speed and velocity?
velocity has a direction
500
movement energy
kinetic energy
500
stored energy
potential energy
500
what is newtons 3rd law of motion?
every action has an equal but opposite reaction
500
An object weighing 75 kg is speeding up at a rate of 4 m/s/s. What is the strength of the unbalanced force acting on that object?
300 kg-m/s/s or 300 Newtons