Mechanical Advantage Practice Test

Front

When forces are UNBALANCED an object will...

Back

Move

Front

When forces are BALANCED an object will...

Back

Not move

Front

How do UNBALANCED forces cause an object to change?

Back

Change the speed and direction of its motion.

Front

What is a mechanical advantage?

Back

Advantage gained by the use of a mechanism in transmitting force; A measure of the ratio of output force to input force in a system; Something to make your robot better.

Front

What do you call a mechanism made up of two or more gears?

Back

Gear train

Front

What is the center of mass?

Back

The point on the object where force is applied so that it moves without rotation.

Front

What do you call the gear that is doing the turning FIRST?

Back

Driving Gear

Front

What do you call the gear that is being turned by the first gear?

Back

Driven gear

Front

What is the formula for calculating a gear ratio?

Back

Output divided by input

Front

What will happen when you have a system with a driving gear that is smaller than the driven gear?

Back

Increase torque