This occurs when there are components or processes that work together to perform a goal or meet a need.
What is a system?
Can be used to keep a door from slamming in case of strong wind.
What is a wedge?
W = fxd
What is the equation to calculating work?
What you will put into a system in order to get the desired outcome.
What is input?
What is evolution?
This system is created to ensure that people can get around easily.
What are mechanical systems?
It is a flat surface that is on an angle so that one end is higher than the other.
What is an inclined plane?
Fiction and gravity.
What are the two types of forces?
In this example the bread warms up from the heat and comes out toasted.
What is an example of output?
Instead of sending a letter, or picking up a phone to call, people can send an email or text.
Why have cell phone evolved?
This system has many organs that work together to make sure it can survive.
What is the Body System?
They usually have one or two parts that when combined use less force to work.
What are simple machines?
This is needed to apply force.
What is energy?
The purpose of this system is to listen to music.
What are speakerss?
Because many people are always on the go and need to send emails, order things and communicate throughout the day.
A school is an example.
What is a social system?
A screw has more force when these are closer together.
What are threads?
The purpose of this system has evolved over time.
What is a cell phone?
When the parts of a machine continuosly rub together and wear each other down and create heat?
What is friction?
Phyiscal Sytems and Social Systems.
What are the two major types of systems that exist?
The closer this is to the axle the more force is needed to turn.
70% efficient.
I ran out of things to say so this is a BONUS!!
Blah
This ensures that the moving parts of a car don't rub together and instead glide off of each other?