Gears and Levers

Front

What is a gear?

Back

A gear is a rotating machine part with teeth that mesh with another gear to transmit torque and motion.

Front

How do gears work together?

Back

Gears work together by interlocking their teeth, allowing one gear to turn another, transferring motion and force.

Front

What is the difference between a large gear and a small gear?

Back

Large gears turn with more force than small gears, but small gears can turn faster.

Front

What is torque?

Back

Torque is a twisting force that causes rotation.

Front

Which tool uses torque to operate?

Back

A screwdriver uses torque to turn screws.

Front

What is a lever?

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called a fulcrum.

Front

What is a load in the context of levers?

Back

A load is what you are trying to lift or move using a lever.

Front

What is the effort in a lever system?

Back

Effort is the force applied to lift or move the load using a lever.

Front

What does a 1:3 gear ratio mean?

Back

A 1:3 gear ratio means a small gear must turn 3 times to make a large gear turn 1 time.

Front

What is mechanical advantage?

Back

Mechanical advantage is the factor by which a machine multiplies the force put into it.