NEW
Font size
S
M
L
XL
WorksheetsSimple Machines
Total questions: 51
Worksheet time: 35mins
Name
Class
Date
1.
A ramp is an example of a(n) ____________________.
a)
wheel and axle
b)
inclined plane
c)
lever
d)
pulley
2.
Any device that makes work easier is called a ______________________.
a)
Joule
b)
prop
c)
lever
d)
machine
3.
Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
4.
Force is a _____ or _______
a)
simple complex
b)
push pull
c)
up down
d)
in out
5.
If you use a crowbar to get the lid off of a bucket, what simple machine are you using?
a)
Inclined Plane
b)
Pulley
c)
Wheel and Axle
d)
Lever
6.
Flagpole
a)
wedge
b)
pulley
c)
incline plane
d)
wheel and axle
7.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
8.
This device
a)
wedge
b)
lever
c)
incline plane
d)
wheel and axle
9.
How much work is done if I use 10 Newtons to move an object 3 meters?
a)
30 Newtons
b)
13 meters
c)
30 Joules
d)
30 meters
10.
An inclined plane wrapped around a rod forms this simple machine
a)
lever
b)
pulley
c)
screw
d)
wedge
11.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
12.
Two or more simple machines used together is a
a)
compound machine
b)
wheel and axle
c)
block and tackle
d)
mechanical advantage
13.
The fixed point on the lever is called
a)
load
b)
resistance
c)
bar
d)
fulcrum
14.
Which simple machine is shown in the picture?
a)
wheel and axle
b)
lever
c)
wedge
d)
pulley
15.
A ______________ is a rope or chain wrapped around a wheel.
a)
wedge
b)
lever
c)
pulley
d)
screw
16.
A simple machine with a flat, sloped surface is a(n) __________________.
a)
lever
b)
wheel and axle
c)
inclined plane
d)
pulley
17.
Which of the following is the best example of work being done.
a)
doing homework
b)
lifting a box
c)
pushing a stationary box
d)
holding a box
18.
An ax is an example of a
a)
pulley
b)
inclined plane
c)
screw
d)
wedge
19.
A door knob is an example of a ____________
a)
Pulley
b)
Lever
c)
Wheel and axle
d)
Inclined Plane
20.
The efficiency of a machine can be increased by reducing __________________________.
a)
effort
b)
force
c)
fulcrum
d)
friction
21.
In which of these cases is work being done?
a)
A student sleeps
b)
A student pushes a locked door that does not move
c)
a student picks up and carries his chair into another room
d)
A student sits on the carpet
22.
The unit used to measure power is the
a)
Watt
b)
Newton
c)
Joule
d)
Newton*meter
23.
The unit used to measure work is the
a)
Watt
b)
Newton
c)
Joule
d)
Meter
24.
Which pulley changes the direction of the force?
a)
Fixed Pulley
b)
Movable Pulley
c)
First Class Pulley
25.
A short, steep ramp needs __________ force in order to move an object.
a)
a lot
b)
little
c)
no
26.
In order to use the least amount of force to travel up a mountain, you should use a _______________.
a)
Short Steep trail
b)
A long winding trail
27.
A simple machine that consists of a bar that pivots on a fixed point is called a ______________.
a)
Pulley
b)
Ramp
c)
Lever
d)
Wheel and axle
28.
A wheel with teeth is called a _______________.
a)
Wheel and axle
b)
Lever
c)
Pulley
d)
Gear
29.
A lever that has the Effort force on one end, the resistance in the middle, and the fulcrum on the end?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
d)
Fourth Class Lever
30.
Which lever has the fulcrum between the effort and the resistance forces?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
d)
Fourth Class Lever
31.
A lever that has the fulcrum on one end, the effort in the middle, and the resistance on the other end?
a)
First Class Lever
b)
Second Class Lever
c)
Third Class Lever
d)
Fourth Class Lever
32.
A wheelbarrow is an example of a __________ class lever.
a)
First
b)
Second
c)
Third
d)
Fourth
33.
A door knob is an example of a ____________
a)
Pulley
b)
Lever
c)
Wheel and axle
d)
Inclined Plane
34.
True or False A simple machine reduces the amount of work that needs to be done.
a)
True
b)
False
35.
True or False. To reduce the force needed to move an object, you should make the ramp longer.
a)
True
b)
False
36.
True or False. A seesaw is an example of a first class lever.
a)
True
b)
False
37.
To lift a heavy load, you should move the fulcrum ______________ the load.
a)
close to
b)
far from
c)
on top of
38.
In order to increase speed, you should apply the force to the _______________.
a)
big wheel
b)
small wheel
c)
bar
39.
In order to increase the force you apply to an object, you should apply force to the ____________.
a)
big wheel
b)
small wheel
c)
bar
40.
Simple machines (lever, inclined plane, wedge, screw, pulley, wheel and axle) do which of the following?
a)
Reduce the mass of an object that needs to be moved
b)
Reduce the distance an object needs to be moved
c)
Reduce the amount of time needed to move an object over a distance
d)
Reduce the force needed to move an object over a distance
41.
Which of these options would reduce the effort needed to lift a load the most?
a)
A really short and very steep inclined plane
b)
A very long and very steep inclined plane
c)
A very long and not very steep inclined plane
d)
Not using an inclined plane and instead lifting the object straight up
42.
Is it easier to push a heavy object up a ramp or to lift a heavy object onto a truck?
a)
Push
b)
Lift
43.
How does a single fixed puled, like the one seen here, help you do work?
a)
changes the direction of the force
b)
increases the amount of applied force
c)
decreases the amount of applied force
d)
allows you to pull the rope a shorter distance
44.
A student uses this tool to build a project made from wood. The student uses Part X to remove a nail from the wood. Part X is being used as a
a)
a lever
b)
a screw
c)
an inclined plane
d)
a wheel and axle
45.
Which of the following does a simple machine do?
a)
allows the users to apply less force over a longer distance
b)
reduce the amount of force needed to do work
c)
change the direction of the applied force
d)
all of the above
46.
True or False:
Gravity affects all objects on Earth.
Gravity affects all objects on Earth.
a)
True
b)
False
47.
Two students played on the slide. Student A wore shorts and student B wore long pants. Which of these best explains why Student B moved down the slide more smoothly than Student A?
a)
more acceleration
b)
less gravity
c)
more weight
d)
less friction
48.
Where should the fulcrum be placed in order for the student to use the least amount of effort possible?
a)
point A
b)
point B
c)
point C
d)
point D
49.
Which example shows an unbalanced force?
a)
A pencil sitting on a desk
b)
a car parked in a parking lot
c)
a coat laying on the floor
d)
a child sliding down a slide
50.
This occurs when materials rub or touch to slow an object down.
a)
Work
b)
Force
c)
Friction
d)
None of the above
51.
A device that has two or more simple machines working together
a)
fulcrum
b)
pulley
c)
compound machine
d)
motor
Reset
