7.1: Question Preview (ID: 13159)


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Force transformers are found in a lot of different systems, but not in this one.
a) thermal
b) fluid
c) mechanical
d) electrical

In an inclined plane, this is the ratio of the incline to the rise/height (Do/Di)
a) force
b) plane
c) steep
d) grade

In an ideal force transformer, the work input equals the ______.
a) work output
b) output displacement
c) input displacement
d) efficiency

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) forces
b) force transformers
c) incline planes
d) levers

this value is given as a percent and is found by dividing work output by work input then multiplying by 100%
a) IMA
b) displacement
c) efficiency
d) AMA

This is another name for a pulley system arranged to increase force
a) foot-pound
b) fulcrum
c) block and tackle
d) joule

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) 1st class lever
b) 2nd class lever
c) 3rd class lever
d) 4th class lever

Input force and output force are on opposite sides of a pivot (like a seesaw)
a) 1st class lever
b) 2nd class lever
c) 3rd class lever
d) 4th class lever

The effort and the load are on the same side of the pivot, like a wheel barrow.
a) 1st class lever
b) 2nd class lever
c) 3rd class lever
d) 4th class lever

This is the unit for work in the SI system.
a) Joule
b) foot-pound
c) newton
d) meter

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