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Physics Final Review
Test Description: Round 2 Team 2
Instructions: Answer all questions to get your test result.
1) The part of a standing wave that does not move is called a ______________.
A
Mode
B
Crest
C
Trough
D
Node
2) Stacy takes a slinky and shakes it from side to side. She has just made a ________.wave
A
Longitudinal
B
Tidal
C
Transverse
D
Brain
3) Energy can never be created nor destroyed.
A
Always true
B
Always false
C
Sometimes true
4) An arrow in a bow has 70 J of potential energy. Assuming no loss of energy due to heat, how much kinetic energy will it have after it has been shot?
A
35 J
B
70 J
C
0 J
D
50 J
5) The amount of potential energy found in an elevated object is equal to __________.
A
The power used to lift it
B
The work done in lifting it
C
The distance it is lifted
D
The force needed to lift it
6) The unit of power is the _______-
A
Newton
B
Watt
C
Meter
D
Joule
7) A rotational space station may be made in the future. How many g's will be felt at the center of the station?
A
one half g
B
zero
C
three quarters g
D
g (same as earth)
8) Any force that causes an object to move in a circular path is called a _____________-.
A
Natural force
B
Centripetal force
C
Newtonian force
D
Centrifugal force
9) Potential energy is the energy an object has because of its ________.
A
Temperature
B
Location
C
Speed
D
Density
10) When you whirl a can horizontally above your head on the end of a string, the centripetal force is
A
The pull of the can on the string
B
Gravity pulling down on the can
C
The pull of the string on the can
D
Air resistance pushing on the can and slowing it down
*select an answer for all questions
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