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WorksheetsPLTW Observing Mechanisms SRS
Total questions: 10
Worksheet time: 14mins
Which gear is the idler?
A
B
C
None of them
The output gear has 48 teeth. The gear ratio is...
What mechanism is part of this machine?
Lead Screw
Rack and Pinion
Simple Gear train with Idler
Simple gear train - NO idler
Worm and Wheel
when you increase torque?
If the small gear is driving the large gear, what is happening to the torque?
Torque is increasing
Torque is decreasing
Torque remains constant
Not enough information to answer the question
What does a 2:1 gear ratio mean?
For every 1 turn of the input, the output turns 2 times.
For every 2 turns of the input, the output turns 1 time.
There are 2 gears on the output and 1 gear on the input.
There is 1 gear on the output and 2 gears on the input.
What types of motion are seen here?
linear and reciprocating
oscillating and reciprocating
oscillating and rotary
reciprocating and linear
