Week 6 Simple Machines
Task 1 Booklet-Making
Each simple machine gets its own page.
Each page needs a;
Each page needs a;
- Title
- Drawing
- Description of how the machine makes work easier
Task 2 Note-Taking
Machines around us Text page 289 to 290
Read the material on these two pages.
Machines are often defined by their function.
Machines make work easier.
What does this statement mean?
First we have to look at the mathematics of "WORK"
Work = Force x displacement
or
W = Fs
Machines around us Text page 289 to 290
Read the material on these two pages.
- Define the terms "effort", "load" and "simple machine"
- List three ways that simple machines can make a work easier.
- Elaborate each function with an example.
Machines are often defined by their function.
Machines make work easier.
What does this statement mean?
First we have to look at the mathematics of "WORK"
Work = Force x displacement
or
W = Fs
Levers - Concept Attainment
- Examine the features of the levers provided.
- List the common features of all levers.
- Levers are classified into three different classes. Construct a rule to describe the three classes of lever.
- Use the following variables and their values to draw a dichotomous key to identify the three classes of lever.
- Fulcrum postion - middle, not in the middle
- Load position - middle, not in the middle
- Fulcrum postion - middle, not in the middle