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16 questions
The five types of mechanisms are...
Levers, diagonal slopes, screws, wedges, wheels
Levers, arches, screws, pivots, wheels
Arches, levers, diagonal slopes, wedges, screws
A lever is a bar that rotates around a...
fullbar
fulcrum
fulcrate
A lever consists of three components...
Load, input, output
Pivot, load, input
Pivot, input, output
In a first class lever the....... is in the middle
Pivot
Load
Effort
What class lever has the load in the middle?
First
Second
Third
How many levers does the dustbin in this picture have?
2
3
4
A lever that is connected to another lever is called...
joined levers
linked levers
reciprocal levers
The long handles and short blade in the secateurs gives .......
a negative mechanical advantage
no mechanical advantage
a mechanical advantage
What class lever is the wheelbarrow?
FIRST
SECOND
THIRD
Which lever always gives a mechanical advantage?
First class
Second class
Third class
What class lever always gives a distance advantage?
First
Second
Third
Meshed gears turn in the opposite direction. It is called...
opposite-rotation
counter-rotation
counter- productive
The...............gear synchronises the rotational direction of the gears
idler
idol
idle
When the driven gear is smaller that the driver gear it turns faster than the driver gear. The driven gear gives a....
velocity vantage
velocity disadvantage
velocity advantage
When the driven gear is larger than the driver gear the gear system gives a.....
force multiplication mechanical advantage
force multiplication mechanical disadvantage
speed multiplication mechanical advantage
Spur gear | |||
Bevel gear | |||
Counter rotatiing gears | |||
Gear train |
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