Friction
Misc
Velocity
Speed
Forces
100
the roughness of the surfaces & the force pushing the surfaces together
What is the amount of friction between 2 surfaces
100
put in scientific notation 954,000,000,000
What is 9.54 *10 11
100
as the speed or direction changes the
What is velocity changes
100
formula for determining average speed
What is average speed = total distance/total tome
100
A push or a pull
What is a force
200
substances that are applied to surfaces to reduce friction
What is lubricants
200
you should always cut objects while holding them in your hands
What is false?
200
velocity must include
What is direction?
200
If you drive for 5 hours and travel 160 miles what is your speed?
What is 32mph
200
this produces no change in motion, the forces applied to an object produce a net force of zero
What is balanced forces?
300
a force that opposes motion between two surfaces that are touching
What is friction
300
the number of chromosomes each human parent give to their child
What is 23?
300
the speed of an object in a particular direction is the objects
What is velocity
300
the rate at which velocity changes
What is acceleration?
300
this produces a change in motion; the net force is not zero
What is unbalanced forces?
400
There are four of these
What is sliding, rolling, fluid and static friction
400
s * s = a
What is the formula for the area of a square?
400
velocity And speed are the same. (T or F)
What is false
400
a change in direction is not acceleration only a change in speed (T or F)
What is false (pg. 9)
400
The force that results from combining all the forces exerted on an object
What is net force?
500
the type of friction that happens with a book just sitting on the desk
What is static friction?
500
communicate results; test the hypothesis; analyze the results; form a hypothesis; ask a question; draw conclusions
What are six steps of the Scientific Method?
500
an object that appears to stay in place in relation to an object being observed for motion
What is reference point?
500
speed
What is the rate at which an object moves
500
Newton (N)
What is the unit scientists express force
M
e
n
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