Systems
False: There are two main systems.
What is the purpose of a cell phone?
To make calls, entertain, etc.
Why do we need robots?
To help with repetitive tasks or to make them easier.
What is force?
When an object is being pulled or pushed.
Name the six simple machines.
Levers, pulleys, wedges, screws, wheels and axels, and inclined plane.
Name the two systems.
Physical and Social
Define the input of a system.
The input of a system refers to what you are going to put into the system in order to get the desired outcome.
What are the processes of a robot?
Processes make sure the chip is running smoothly.
What is work?
Work occurs when a force can move an object from one location to another.
Why do people use simple machines?
To make work easier.
Describe a physical system.
Cars, gears, etc...
Define the output of a system.
The output of a system is what will come out of the system as a result of the input.
What are the necessary components of a robot?
A computer chip that acts like a brain.
The movement of force from its original location to its final location.
What is the formula for mechanical advantage?
MA = F out / F in
Describe a social system that is NOT a friend group.
Schools, hospitals, etc...
Name the purpose, two inputs and two outputs of a garden.
1) Enjoyment and food.
2) seeds, soil
3) plants, animals, beauty.
What are two of the necessary process or components of a heating system?
Employees, transportation, tools.
What is the formula to determine work?
W = f x d (Work = force x distance)
Why would you want a mechanical advantage of 1?
When you want the work to be hard, such as when you are exercising.
Name three of the systems subsystems.
Mechanical, Body, Mass Transit, Optical, Indigenous, Health Care.
Name the purpose, three inputs and three outputs of a backhoe.
1) To dig holes.
2) Gears, gas, metal.
3) Exhaust, holes, noise.
Name three of the processes and components of a health care system.
Training, doctors, nurses, medicine, etc.
What is efficiency?
Efficiency is how much input and output energy was used for a system to operate.
Why do mechanical systems create heat? Give an example.
Mechanical systems create heat through friction as the metal parts rub together. An example is when a car's parts rub together.