MECHANICAL DEVICES QUESTIONS
AND VERIFIED ANSWERS|100%
CORRECT|GRADE A+
Machine - ANSWER A device that helps us do work
Simple Machine - ANSWER Tool or device made up of one basic machine.
Lever - ANSWER Simple machine made up of a rigid bar or plank that rotates on a fixed object called
pivot or fulcrum.
Inclined plane - ANSWER Simple machine made up of a flat surface such as a board at an angle to other
flat surfaces such as the ground or a tabletop.
Wedge - ANSWER Simple machine that looks like an inclined plane but it is forced into a object.
Screw - ANSWER Simple machine that consists of a cylinder with a groove cut in spiral on the outside.
Pully - ANSWER Simple machine made up of a wire, rope or cable moving on a grooved wheel; can be
fixed in place or movable.
Wheel and Axle - ANSWER Simple machine made up of two wheels of different diameters that turn
together; a longer motion on the wheel produces a shorter but more powerful motion at the axle.
Complex machines - ANSWER System in which simple machines all work together; Parts of a complex
machine that have just one function are called subsystems and often contain a simple machine.
Systems - ANSWER In context of machine... a group of parts that work together to perform a general
function forming a complex machine.
Subsystems - ANSWER (Of a machine) smaller group of parts within a complex machine that performs a
specific function.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller sellervt. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.