Review Game Zone
Flash Cards
(current)
Games
Teachers
Search
Ch. 17-Review
Test Description: Part 1
Instructions: Answer all questions to get your test result.
1) The work output of a machine divided by the work input is the ________________ of the machine.
A
power
B
efficiency
C
effort
D
resistance
2) The lowest possible temperature is ________________.
A
0 K
B
-273 K
C
0
D
-273 F
3) An inclined plane with one or two sloping sides forms a machine called a
A
pulley
B
lever
C
wedge
D
ramp
4) A fixed, single pulley that is used to lift a block does which one of the following?
A
makes the block easier to lift by changing the direction of the force needed to lift it
B
decreases the force required and changes the direction of the force required
C
decreases the force required to lift the block
D
doubles the required to lift the block
5) A place where molecules are far apart is a _______________________.
A
compression
B
refraction
C
reflection
D
rarefaction
6) The rate at which work is done is calles __________________________.
A
power
B
efficiency
C
effort time
D
force
7) Which one of the following in NOT an example of an electromagnetic wave?
A
red light
B
x-rays
C
gamma rays
D
sound wave
8) A heat engine __________________.
A
changes mechanical energy to thermal energy
B
changes thermal energy into mechanical energy
C
changes kinetic energy into thermal energy
D
changes mechanical energy into electrical energy
9) A machine that changes only the direction of a force has a mechanical advantage of _________.
A
2
B
1
C
10
D
100
10) A slanted surface used to raise an object is a(n) ____________________________.
A
effort ramp
B
efficiency board
C
wedge
D
inclined plane
*select an answer for all questions
Check Results & Get Answers
Play Games with the Questions Above
Teachers: Create FREE classroom games with your questions
Click for more info!
©2007-2024
ReviewGameZone.com
|
About
|
Privacy
|
Contact
|
Terms
|
Site Map
WAIT! Find what you needed?
×
Still Looking for the Answers?
Have Another Question?
Play a Review Game with These Questions?
Want to Make Your Own Test Like This One?