Systems
Simple Machines
Systems impact our Society
Machines
Free for All
100
this is an example of a natural system
What is the solar system?
100
it makes work easier, it makes work faster, it changes direction of a force
What is a machine?
100
the amount of output that is produced per unit of time
What is productivity?
100
this prevents the ideal machine from ever existing
What is friction?
100
these forces push or pull an object by touching it
What are contact forces?
200
the education system is an example of this type of system
What is non-mechanical system?
200
a can opener contains these three simple machines
What is a lever, a wedge and a wheel and axle?
200
replaces human workers with machines that are controlled by computers
What is an automated system?
200
this will reduce friction to some degree
What is a lubricant?
200
this is an action-at-a-distance force
What is gravity?
300
all the different parts of a system
What are components?
300
this type of energy is stored
What is potential energy?
300
when business automate (ATMS instead of tellers) this decreases
What is the number of unskilled jobs?
300
when the efficiency of a machine improves, this also improves
What is mechanical advantage?
300
this device measures the force of gravity on an object
What is a spring scale?
400
physical parts that interact with each other
What is a mechanical system?
400
the builders of the Egyptian pyramids used this simple machine
What is an inclined plane?
400
this suffers when companies go out of business all within a certain area
What is the community?
400
this is the work the machine is designed to do
What is a machine's useful output work?
400
magnetism is an example of this type of force
What is an action-at-a-distance force?
500
the human body is this type of system
What is a mechanical system?
500
a fishing rod is this type of lever as it has the fulcrum at one end, the load at the other and the effort in the middle
What is a third-class lever?
500
its low cost, its high-efficiency production made it popular, but now its impact on the environment caused it to be banned in various municipalities
What is the plastic bag?
500
this compares how much work a machine does compared to how much energy it uses
What is efficiency?
500
this is the ability to do work
What is energy?
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