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Unit 3: Forces And Motion (Physics 1)
Test Description: PE/KE, inclined planes, unbalanced forces, average speed, motion graphs
Instructions: Answer all questions to get your test result.
1) What is potential energy?
A
Energy that has been used up
B
Energy due to it's position
C
Moving energy
D
Energy in motion
2) Which best describes potential energy?
A
Energy that is being used
B
When there is no energy
C
Energy that is all used up
D
Energy that is stored
3) What is kinetic energy
A
When there is no energy
B
Energy that is in motion
C
Energy that is due to position
D
Energy that is stored
4) What is an inclined plane?
A
A mathematical equation
B
A type of airplane
C
An object that is a flat surface and has one end higher than the other
D
A pulley
5) What are inclined planes used for?
A
to make work easier
B
all of the above
C
to lift heavy object
D
To reduce the amount of force required to do work
6) What is a force?
A
When a object reacts with a chemical
B
A push or a pull
C
A type of control parents have over their children
D
Something the Jedi use
7) Which of the following scenarios is an example of unbalanced forces?
A
A book on the book shelf
B
A soccer ball rolling across the grass
C
A car in the garage
D
A pencil on the desk
8) Which of the following scenarios is an example of balanced forces?
A
A rock on the side of a mountain
B
A raindrop falling from a cloud
C
A kid jumping on a trampoline
D
A balloon blowing in the wind
9) What is speed?
A
When an object moves a distance in a certain time
B
What the time is
C
How long you sleep for at night
D
How far an object has traveled
10) What is the equation for speed?
A
speed = distance x time
B
speed = time / distance
C
speed = time x distance
D
speed = distance / by time
11) When would a roller coaster have the most potential energy?
A
At the end of the roller coaster
B
At the top of the highest hill
C
At the bottom of the highest hill
D
Half way down the highest hill
12) When would a roller coaster have the most kinetic energy?
A
At the bottom of the highest hill
B
Halfway down the highest hill
C
At the top of the highest hill
D
at the end of the roller coaster
13) Which best describes the energy changes in a waterfall.
A
The energy stays a constant kinetic energy as the water falls down the cliff.
B
The energy changes from kinetic to potential as it falls down the cliff.
C
The energy stays a constant potential energy as the water falls down the cliff.
D
The energy changes from potential to kinetic as it falls down the cliff.
14) Where is the most potential energy in a waterfall?
A
At the bottom of the waterfall.
B
The entire waterfall has the same amount of potential energy.
C
In the middle of the waterfall.
D
At the very top of the waterfall.
15) Where is the most kinetic energy on a waterfall?
A
The entire waterfall has the same amount of potential energy.
B
At the bottom of the waterfall.
C
In the middle of the waterfall.
D
At the very top of the waterfall.
16) If a red ball is higher than a blue ball and both balls have the same mass, which ball has more potential energy?
A
Blue ball
B
They both have the same amount of potential energy
C
Red ball
D
There is not enough information to tell
17) The faster an object moves, the ________ kinetic energy it has.
A
none of the above
B
less
C
all of the above
D
more
18) When you stretch a rubber band, you are storing _____ energy
A
all of the above
B
kinetic
C
potential
D
none of the above
19) How much potential energy is at the top of the highest hill on a roller coaster?
A
100%
B
0%
C
75%
D
25%
20) Which is the best example of something that has kinetic energy?
A
a car parked on a steep hill
B
a picture hanging on the wall
C
tennis ball rolls across the court
D
a piece of coal before it is burned
*select an answer for all questions
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