PLTW POE EoC Review Part 1

Front

A continuous band of tough flexible material used to transmit motion and power within a pulley system.

Back

Belt

Front

A series of usually metal links or rings connected to or fitted into one another and used to transmit motion and power within a sprocket system.

Back

Chain

Front

An external force applied to an object.

Back

Effort Force

Front

The ratio of useful energy output to the total energy input, or the percentage of the work input that is converted to work output.

Back

Efficiency

Front

The resistance that one surface or object encounters when moving over another.

Back

Friction

Front

The fixed point around which a lever rotates.

Back

Fulcrum

Front

A circular toothed object used to transfer rotary motion and torque through interlocking teeth.

Back

Gear

Front

Ratio of distance traveled by the applied effort and resistance force within a system.

Back

Ideal Mechanical Advantage

Front

A gear positioned between the driver and the driven gear used to change rotational direction.

Back

Idler Gear

Front

A flat surface set at an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load.

Back

Inclined Plane