RopeLab Quiz 1: Mechanical Advantage
A quick quiz to test your understanding of MA in simple systems.
There are 10 multiple choice questions.
Once you have finished, click on the “View questions” link at the end to see how you went.
RopeLab Quiz 1: Mechanical Advantage
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This quiz presents a series of short questions from the Mechanical Advantage content presented in the one-day RopeLab: Physics for Roping Technicians workshop. It tests your theoretical understanding of Mechanical Advantage in a range of simple scenarios.
Although there are many ways to discuss and calculate Mechanical Advantage, the following terms are used in this quiz:
- Ideal Mechanical Advantage (IMA): the best possible MA for a system ignoring any friction, stretch, and imperfect angles.
- Theoretical Mechanical Advantage (TMA): the best guess at MA taking friction into account for each change in direction (pulleys, carabiners, edges, etc).
Actual Mechanical Advantage (AMA) refers to the MA measured in the system once built and tested.
The images for each question will display at a larger size if ‘clicked’.
All of the images in this quiz have been created using vRigger (http://vrigger.com).
© Richard Delaney, RopeLab 2015.
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We hope you enjoyed the quiz. We hope to construct more of these in the future.
WORKED SOLUTIONS to the quiz are available to RopeLab members at the following link: http://www.ropelab.com.au/ropelab-quiz-1-ma-worked-solutions
Click on ‘VIEW QUESTIONS’ below to see your correct and incorrect answers.
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Question 1 of 10
1. Question
1 points
This image shows an operator standing on the ground attempting to raise a his partner.
What is the Ideal Mechanical Advantage of this system (ignore friction)?
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Incorrect
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Question 2 of 10
2. Question
1 points
This image shows an operator attempting to raise himself by pulling down on the yellow rope.
What is the Ideal Mechanical Advantage (ignoring friction) of this system?
Correct
Incorrect
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Question 3 of 10
3. Question
1 points
This image shows an operator attempting to raise his partner by pulling down on the yellow rope.
What is the Ideal Mechanical Advantage (ignoring friction) of this system?
Correct
Incorrect
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Question 4 of 10
4. Question
1 points
This image shows an operator attempting to raise himself by pulling down on the yellow rope.
What is the Ideal Mechanical Advantage (ignoring friction) of this system?
Correct
Incorrect
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Question 5 of 10
5. Question
1 points
This vehicle is attempting to move itself by taking in rope on the front mounted winch.
What is the Ideal Mechanical Advantage (ignoring friction) of this system?
Correct
Incorrect
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Question 6 of 10
6. Question
1 points
This vehicle is attempting to move itself by taking in rope on the front mounted winch.
What is the Ideal Mechanical Advantage (ignoring friction) of this system?
Correct
Incorrect
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Question 7 of 10
7. Question
1 points
This vehicle is attempting to move itself by taking in the grey rope on the front powered mounted winch.
What is the Ideal Mechanical Advantage (ignoring friction) of this system?
Correct
Incorrect
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Question 8 of 10
8. Question
1 points
The image shows a scenario where a person is being held in place by a rope supported by an overhead anchor.
What is the theoretical magnitude of the force on Anchor A?
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Incorrect
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Question 9 of 10
9. Question
1 points
The image shows a scenario where a person is being lowered by a rope supported by an overhead anchor.
What is the theoretical (including friction) magnitude of the force on Anchor B?
Correct
Incorrect
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Question 10 of 10
10. Question
1 points
This image shows a scenario where a person is being lowered by a rope supported by an overhead anchor.
What is the theoretical (including friction) magnitude of the force on Anchor C?
Correct
Incorrect
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About The Author
Richard Delaney
Richard Delaney has worked professionally with ropes since 1992 as a multi-pitch rock-climbing instructor, technical rescue instructor and rope access technician. Understanding and teaching the Physics of Rigging is a core passion of Richard’s, one based on his experience, and his prior professional life as a qualified engineer.
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Richard enjoyed the MA quiz keep them coming thanks again Darrin Carter
Enjoyed the quiz, great addition to the site’s content. Nate