WorksheetsSimple Machines
Total questions: 27
Worksheet time: 21mins
What type of simple machine has a ramp that makes it easier for a heavy object to be moved up or down?
lever
pulley
inclined plane
wedge
A seesaw is an example of what type of simple machine?
wheel and axle
lever
wedge
pulley
IMA is usually ________ than AMA because IMA does not involve friction
higher
lower
the same
This simple machine can be used to lift a weight. It has a fulcrum, or pivot point, which can be located in the center, near the end or at the end.
Screw
Wedge
Lever
Inclined Plane
A force of 20 N is used to push a table across the floor a distance of 9 m. Find the work done
180 J
180 N
2.22 J
2.22 N
What is the IMA of the lever shown?
0.4
4
2.5
0.25
What is the IMA of the ramp
0.4
2
2.5
0.5
A student pulls a lever down 4 m (d in). The lever lifts a box that weighs 20 N (F out) up a distance of 2 m (d out) How much work is done on the box?
10 J
40 J
80 J
160 J
Gina wheels her wheelchair up an inclined plane using an effort force of 80 N. If the inclined plane has a mechanical advantage of 7, what is the output force(in N)
11.4 N
560 N
0.09 N
80 N
Which class of levers is shown in the image?
First-Class Lever
Second- Class Lever
Third- Class Lever
Fourth- Class Lever
Causes machines to not be 100% efficient
Human error
Heat loss
Friction
What kind of lever is this?
First Class Lever
Second Class Lever
Third Class Lever
What class lever does this picture show?
1st
2nd
3rd
If you want to decrease the effort force when using a lever, what should you do?
Move the load closer to the fulcrum (d out)
Move the effort force closer to the fulcrum (d in)
Move the load further from the fulcrum (d out)
Which of these are examples of levers? Select ALL that apply.
What is a Fulcrum
The Pivot point
A Lever
a sharp point
Which are examples of 2nd Class Levers? Select ALL that apply.
What is the output distance (d out) of the ramp
150 N
300 N
5 m
2 m
What is the input force (F in) of the ramp
150 N
300 N
5 m
2 m
What is the output force (F out) of the lever shown?
20 N
50 N
60 cm
15 cm
What is the input distance (d in) of the lever shown?
20 N
50 N
60 cm
15 cm
What is the IMA of the pulley shown?
1
2
3
There is no way of knowing.
