Answer questions on page 56 of your notebook. Take notes on page 57. Simple Machines part 1 Answer questions on page 56 of your notebook. Take notes on page 57.

What goes in the notebook? Question 1: Warm-up: List all the machines you have used today before you arrived at this class The rest of the questions are in the slide show. Your notes should include these words: Machine Work Joule Simple machine Examples of simple machines Fulcrum Input force Output force

What is a machine? Something that saves you work. Doing laundry with no machine Question 2: Which method of doing laundry requires the most work? Which one requires the least work? Why do you think so? This machine has no power source Laundry the modern way

What is work? Work is force per distance Formula: W = F x d Units: Joules What is a good way to remember the units? James Joule

Are jewels free? NO! You have to WORK for them.

Simple Machines Do not have a power source Use only one motion

Inclined Plane Question 3: If the force it takes to climb up the ramps is decreased by using an inclined plane, Then what is increased? Remember, work = force x distance

The Lever The force you put into the machine The force the machine gives you The stationary point that the lever turns around

Question 4 Name the fulcrum, the location of the input force, and the location of the output force on each of these levers, and how each one can save you work. A B Crow bar See saw D C pliers Wheel barrow

to be continued…..