header bg

Scan QR code or get instant email to install app


Gears are used to ____.

A Both change rotational speed and direction of force

Gears are classified as simple machines designed to be used to change the magnitude (size) and direction of force. Multiple gears in succession can be used to change rotation speed, as well as torque. Certain gear arrangements can result in mechanical advantage, meaning that they are considered simple machines. This is dependent on the gear ratio.


rub cortez

1 year ago

I like how they explain the answers to you


1 year ago

Very refreshing


1 year ago

This app is perfect. You set up a timeline for your test and it Gives practice tests, practice questions, explanation of answers. Shows ads every now and then but everything is free unlike the other apps.

Leave a Reply

Your email address will not be published.