Understanding Machines and Mechanical Advantage Quiz

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What is the main purpose of machines?

To make our work more difficult

To provide energy by themselves

To increase physical force

To replace physical labour (correct)

Which of the following is NOT considered a simple machine?

Ramp

Bicycle (correct)

Shovel

Screwdriver

What type of machines do not have parts that move?

Manually handled machines

Machines providing energy

Complex machines (correct)

Simple machines

When different simple machines work together, they are called:

Complex machines Signup and view all the answers

Which of the following do some machines not do?

Provide energy by themselves Signup and view all the answers

What is the general term used for the external force applied to a machine?

Effort Signup and view all the answers

In the context of simple machines, what is the force against which a machine works called?

Load Signup and view all the answers

What is a fixed point about which a machine turns while doing mechanical work?

Fulcrum Signup and view all the answers

What is the term for the ratio of the velocity of effort to the velocity of load?

Velocity Ratio Signup and view all the answers

What is the ratio of the force that performs the useful work of a machine to the force that is applied?

Mechanical Advantage Signup and view all the answers

Understanding Machines and Mechanical Advantage Quiz

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Questions and Answers

What is the main purpose of machines?

Which of the following is NOT considered a simple machine?

What type of machines do not have parts that move?

When different simple machines work together, they are called:

Which of the following do some machines not do?

What is the general term used for the external force applied to a machine?

In the context of simple machines, what is the force against which a machine works called?

What is a fixed point about which a machine turns while doing mechanical work?

What is the term for the ratio of the velocity of effort to the velocity of load?

What is the ratio of the force that performs the useful work of a machine to the force that is applied?

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