Mind A-Mazes 2018

is a pulley a wheel and axel?

by on Sep.25, 2018, under Uncategorized

 

The construction of a “pulley” and a “wheel and axle” can be similar or even same. But in the simple machines classification their purposes differ:

  • Pulley is used to change the direction of a rope or a chain. The actual rotation of the pulley wheel is a side effect.
  • Wheel and axle are used to amplify rotational force. The force can be provided through a rope wrapped around the wheel, but the change of direction is a side effect.

For example, a chain sprocket is an example of wheel and axle, while a chain idler would be an example of a pulle

No comments for this entry yet...

Leave a Reply

Looking for something?

Use the form below to search the site:

Still not finding what you're looking for? Drop a comment on a post or contact us so we can take care of it!

Visit our friends!

A few highly recommended friends...

    Archives

    All entries, chronologically...