A measure of how much force
is gained by using a machine
rather than doing the work
yourself is…
A 100
Mechanical advantage
A 100
What is the formula used to
find Mechanical Advantage?
A 200
MA = R/E
A 200
As the slope of an inclined
plane increases, the
mechanical advantage
_______.
A 300
decreases
A 300
How do you find the
mechanical advantage of a
pulley?
A 400
Count the number of ropes
A 400
What is the mechanical
advantage of a wedge with a
width of 6cm and a length of
12cm?
A 500
2
A 500
How are levers classified?
B 100
By where the fulcrum,
resistance, and effort are
located
B 100
If you want to pull a nail out
of a board, what class lever
would you use?
B 200
1st
B 200
What is the name of the pivot
point on a lever?
B 300
fulcrum
B 300
The mechanical advantage of
a _______ class lever is
always less than one.
B 400
3rd
B 400
Give an example of each
class lever
B 500
1st – crowbar
2nd – wheelbarrow
3rd - broom
B 500
Raising a flag up a flagpole
uses what type of simple
machine?
C 100
pulley
C 100
The (fewer/more) support
ropes there are, the greater
the pulley’s mechanical
advantage.
C 200
more
C 200
What are the 2 ways a pulley
can help you?
C 300
1 – can decrease effort
required to lift
2 – changes the direction of
the force
C 300
What class lever is a fixed
pulley?
C 400
1st
C 400
Moveable pulleys can be used
as what class levers? (there
are 2)
C 500
2nd and 3rd
C 500
To apply force to an object
which results in the
movement of the object in the
direction of the force is …
D 100
work
D 100
What is the formula for work?
D 200
W=FxD
D 200
Floyd tried to move the couch
without any help. He tried
really hard, but he did not
move the couch at all. How
much work did he do?
D 300
0 joules
D 300
If a box weighing 250N is
moved 3M, how much work
was done?
D 400
750 joules
D 400
If a 500N weight is moved 5
meters, how much work was
done?
D 500
2500 joules
D 500
How many types of simple
machines are there?
E 100
6
E 100
A simple machine is a device
designed to make _______
easier.
E 200
work
E 200
Which simple machine is a
winding inclined plane?
E 300
screw
E 300
A simple machine is designed
to make work easier by
increasing the ______ applied
to an object over a ______
________.
E 400
The force applied….. Over a
greater distance.
E 400
No simple machine is 100%
efficient – because some
energy is always
____________
E 500
Lost to friction
E 500
A cafeteria worker puts a lid
on a jar – what type of simple
machine did she use?
F 100
A screw
F 100
A child opens the door to his
bedroom – what type of
simple machine did he use?
F 200
Wheel and Axle
F 200
A farmer chops firewood with
an ax. What type of simple
machine did he use?
F 300
A wedge
F 300
In a 3rd class lever, to increase
the mechanical advantage you
need to move the resistance
____________ the effort
(closer to or further away
from)
F 400
Closer to
F 400
The __________ is the
distance between the screw
threads
F 500
pitch?
F 500
The Final Jeopardy Category is:
6 Types of Simple Machines
Please record your wager.
Click on screen to begin
List the 6 types of simple
machines
Click on screen to continue
Lever, Pulley, Wheel and Axle,
Inclined Plane, Screw, and Wedge
Click on screen to continue