I. What is a simple machine? Is a machine that does work with
only one movement. Six simple machines : incline plane, lever,
wheel/axle, screw, wedge, pulley https://www.youtube.com/
watch?v=HEsH1iA20GM https://www.youtube.com/ watch?v=HEsH1iA20GM
5.53 minutes What new information did you learn from the
video?
Slide 4
A compound machine is a combination of 2 or more simple
machines working together to accomplish a task. Such as a Can
opener Can you think of other examples of compound machines?
Slide 5
II. INCLINED PLANE 1.Flat, sloped surface 2.Helps with
work-allow less force to move an object from one height to another.
3.Example of inclined plan- ramp 4.Longer the inclined plane-the
smaller the force needed to move an object.
Slide 6
A. Using inclined plan - Lifting an object uses more force than
exerting force along a ramp over a greater distance. Force =
work/distance Mechanical advantage of an inclined plane = length of
inclined plane divided by its height https://www.youtube.c
om/watch?v=AZbPj0pwl 0k https://www.youtube.c om/watch?v=AZbPj0pwl
0k
Slide 7
B. Wedge an inclined plane that moves and can have 1 or 2
sides. Mechanical advantage increases as it gets longer and
thinner. https://www.youtube.com/watc
h?v=LAAwZird80k&list=PLn5LE- J1SgNGBt3-
OeM00YmsLnf7Kv7_t&index=3 https://www.youtube.com/watc
h?v=LAAwZird80k&list=PLn5LE- J1SgNGBt3-
OeM00YmsLnf7Kv7_t&index=3 1.24 minutes How does the wedge
change the input force?
Slide 8
Think Pair Share How does an incline plane help to make work
easier? Name some everyday uses for incline planes your group.
Slide 9
Exit Slip What type of simple macine is the tip of the dart in
the photo below?
