Energy D7: Simple Machines

FQ:  How do simple machines make doing the SAME work easier?

1.  Take Quiz 3:  Work and Efficiency

2.  Watch this intro video

3.  Review Intro presentation  

4.  Reading on Work, Efficiency and Machines

5.  Practice:  Click "Take Quiz" below.

From previous years, optional:

Group Project:  Choose one of the 6 types of simple machines, and use the resources on slides 6-10 to create a whiteboard with the following:

a. Description, including family:  lever or inclined plane

b.  Diagram showing small input (effort) force and LARGE output (resistance) force.

c.  All examples of this simple machine from these images

d.  Solve first 2 problems on Actual Mechanical Advantage for your type of simple machine from this list

e.  Solve last problem on Ideal Mechanical Advantage for YOUR type of simple machine from this list.

Rubric for group project:

100:  5 sections correct 

90:  4 sections correct

80:  3 sections correct

70:   2 sections correct

60:  1 section correct

50:  0 sections correct 

Gallery Walk to see other projects!