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WorksheetsPOE - Lesson 1.1 Review (Mechanisms)
Total questions: 16
Worksheet time: 48mins
What is the Ideal Mechanical Advantage (IMA) of this inclined plane?
Answer precision 0.00
(a)
What is the Dr of the above First Class Lever?
Answer precision 0.0
Unit should be reported as "inches"
(a)
What is the Ideal Mechanical Advantage (IMA) of the above First Class Lever?
Answer precision 0.00
(a)
What is the Actual Mechanical Advantage (AMA) of the above Third Class Lever?
Answer precision 0.00
(a)
What is the percent efficiency of this Wheel and Axle system?
Answer precision 0.0
Don't forget the % sign in your answer!
(a)
A) What is the percent efficiency of this Block and Tackle pulley system?
Answer precision 0
Don't forget the % sign with your answer!
B) If I were to pull (De) 32 feet of rope on this system, how much would the motorcycle rise (Dr)?
Answer precision 0
Unit should be reported as "feet"
Final answer should be reported as follows:
Answer 1, Answer 2
(a)
What is the Ideal Mechanical Advantage (IMA) of this screw if we use an 8 inch long wrench to tighten it?
Answer precision 0.00
(a)
What is the Actual Mechanical Advantage (AMA) of this wedge?
Answer precision 0.00
(a)
What is the Ideal Mechanical Advantage (IMA) of this Compound Machine where a Movable Pulley is pulling up on a Second Class Lever?
Answer precision 0
(a)
Use the above Simple Gear Train to answer the following questions. Gear A is the driver gear and has 8 teeth, Gear B has 24 teeth, and Gear C has 16 teeth.
A) If Gear A rotates at 150 rpm, how fast is Gear B rotating?
Answer precision 0
Unit should be reported as "rpm"
B) If Gear B has a Torque value of 90 ft - lbs, what is the input Torque value at Gear A?
Answer precision 0
Unit should be reported as ft-lbs
C) If Gear A is turning clockwise, which direction would Gear C be rotating? (CW or CCW)
Answer should be reported as CW or CCW
Report your final answer as follows:
Answer 1, Answer 2, Answer 3
(a)
The Compound Gear Train above is composed of four gears: A, B, C, and D. Gear A has 10 teeth and is meshed with Gear B, which has 20 teeth and shares a shaft with Gear C which has 16 teeth. Gear C is meshed with Gear D, the output gear. Power is supplied at Gear A with 120 ft - lbs of Torque and is traveling at 30 rpm.
A) With a system output Torque of 600 ft - lbs, how many teeth would Gear D have?
Answer precision 0
Unit should be reported as "teeth"
B) If Gear A is turning at 30 prm, what will the rpm of Gear C be?
Answer precision 0
Unit should be reported as "rpm"
Report your final answer as follows:
Answer 1, Answer 2
(a)
What is the advantage when MA is greater than 1?
What is the advantage when MA is less than 1?
What does it mean when MA is equal to 1?
Which is always smaller; AMA or IMA? Why?
Define Torque.
