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7.1
Test Description: Force Transformers in Linear Systems
Instructions: Answer all questions to get your test result.
1) Force transformers are found in a lot of different systems, but not in this one.
A
mechanical
B
electrical
C
fluid
D
thermal
2) In an inclined plane, this is the ratio of the incline to the rise/height (Do/Di)
A
plane
B
grade
C
steep
D
force
3) In an ideal force transformer, the work input equals the ______.
A
efficiency
B
work output
C
input displacement
D
output displacement
4) Simple machines or devices in mechanical, fluid and electrical energy systems that change input values of force, movement, or rate into different output values.
A
incline planes
B
levers
C
forces
D
force transformers
5) this value is given as a percent and is found by dividing work output by work input then multiplying by 100%
A
efficiency
B
displacement
C
AMA
D
IMA
6) This is another name for a pulley system arranged to increase force
A
block and tackle
B
joule
C
fulcrum
D
foot-pound
7) The effort and load are on the same side as the pivot, but the load is further away than the effort (like a baseball bat)
A
2nd class lever
B
4th class lever
C
1st class lever
D
3rd class lever
8) Input force and output force are on opposite sides of a pivot (like a seesaw)
A
2nd class lever
B
1st class lever
C
4th class lever
D
3rd class lever
9) The effort and the load are on the same side of the pivot, like a wheel barrow.
A
2nd class lever
B
3rd class lever
C
1st class lever
D
4th class lever
10) This is the unit for work in the SI system.
A
meter
B
foot-pound
C
Joule
D
newton
*select an answer for all questions
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