POE S1 Final Review

The energy source that creates electricity and heat through electrochemical process that converts H and O to H2O.

Energy is:

What is the first step of the design process?

Power is:

Simple Machines redirect energy by manipulating

Thermal Energy transfer through the movement of the air

How many reaction forces does a roller connection have?

Copper is a good conductor because it has

Actual Mechanical Advantage is which formula?

Work is

This class of lever has the effort between the load and the fulcrum

Calculate the IMA for the lever shown above

A circuit that has the same voltage everywhere and the current adds up to the total current.

An example of an inexhaustible resource includes:

____ can transfer energy via convection, conduction, or radiation.

This class of lever has a load between the effort and the fulcrum

Resistance can be defined as

Free body diagrams are used to

Use Ohm's Law to calculate the resistance in a circuit with 12 Volts and 2 Amps

What is the fourth step of the design process?

Voltage can be defined as

Thermal energy transfer through an object through touching.

What is the IMA of the a 1/4 20 NC screw if the effort is applied by a 6in long wrench?

A circuit that has only a single path for current to flow.

____ convert light energy into electricity by using photons to create electron flow.

What is the third step of the design process?

Thermal energy transfer through electromagnetic waves

If you want two warning lights that illuminate in case one of them burn out, what type of circuit should you use?

Calculate the Mechanical Advantage for the pulley system

If A is the drive gear and D is being driven, what is the Gear Ratio?

This class of lever has a fulcrum between the effort and the load

What is the second step of the design process?

Calculate the resistance force of the rock

Nonrenewable energy sources include

How many reaction forces does a pinned connection have?

An inclined plane has a length of 10 feet and a height of 2 feet, calculate the IMA.

2 feet high, 10 feet long inclined plane. What is the effort force required to lift a resistance of 75 lbs.

What is the fifth step of the design process?

A circuit that has the same current everywhere and the voltage adds up to the total voltage.

Most mechanisms are composed of

What is the sixth step of the design process?

Structural members properties including _____ is/are important to consider for structure design.

Current can be defined as

Gear Ratios are not used to compare

____ communication can be accomplished oral, written, and verbal forms.

How much effort force would it take to lift a 100 pound object?

A circuit that has multiple paths for current to flow.

Inexhaustible energy sources include

Engineers apply math, science, and discipline specific skills to: