Simple Machines Vocab Flashcard

Front

What is a compound machine?

Back

Two or more simple machines that operate together.

Front

Which of the following describes a pulley?

Back

A grooved wheel with a rope, chain, or cable running along the groove.

Front

What is the definition of mechanical advantage?

Back

The ratio of the output force to the input force.

Front

Which of the following best describes a lever?

Back

A bar that is free to pivot or turn around a fixed point.

Front

What is a wedge?

Back

An inclined plane with one or two sloping sides.

Front

What is a simple machine?

Back

A device that makes work easier by allowing us to push or pull over increased distances.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to the horizontal.

Front

What is a wheel and axle?

Back

A simple machine consisting of a shaft or axle attached to the center of a larger wheel.

Front

What is a screw?

Back

An inclined plane wrapped around a cylindrical post.

Front

What is the purpose of a lever?

Back

To amplify force, allowing a small input force to lift a larger load.