WorksheetsSimple Machines
Total questions: 40
Worksheet time: 3570secs
Which is not an example of a simple machine?
Screw
Pulley
Fulcrum
Inclined plane
The above diagram shows a schematic diagram of a lever.
Which of the following objects is an example of this class lever?
pliers
nutcrackers
fishing rod
wheelbarrow
What is a simple machine that uses grooved wheels and a rope to raise, lower, or move a load?
Lever
Inclined plane
Wheel and axle
Pulley
What simple machine uses a slanted surface that connects a lower level to a higher level?
Inclined plane
Screw
Wedge
Lever
Which of the following would you use a pulley for?
hold pieces of plastic together
help guide a sail on a sailboat
cut food
all of the above
What type of a simple machine would the bottom of a light bulb be?
Wedge
Screw
Lever
Pulley
A fork would be an example of what type of simple machine?
Pulley
Wedge
Lever
Screw
A rod attached to the center of a wheel is called ____________.
a magnet
a wedge
a top
an axle
What should you do to reduce the amount of effort needed to lift something using a first class lever?
move the fulcrum to the middle of the lever
move the fulcrum closer to the load
move the fulcrum closer to the effort
A knife is an example of a (an)
inclined plane
wedge
ramp
pulley
A simple machine usually used to raise a flag is a (an)
inclined plane
pulley
lever
wheel and axle
An example of a lever is
doorstop
drill
staircase
hammer
Which of the following methods required the greatest amount of force to move the metal block up the inclined plane?
A
B
C
D
All of the following are considered to be simple machines EXCEPT
scissors
a bicycle
a jackknife
a wheelbarrw
The human arm is an example of which class of lever?
First class lever
Second class lever
Third class lever
Fourth class lever
The _______ is made of two inclined planes.
pulley
screw
lever
wedge
Which is the simple machine shown in the above diagram?
A screw
A wedge
A wheel and axle
An inclined plane
Which of the following tools operate on a lever principle?
The diagram shows the gear system in a bicycle. Which of the following statement is not true?
The small gear is connected by a chain to the small gear
When the big gear moves, the small gear turns the back wheel
The small gear and big gear turn in opposite directions
The smaller gear turns faster that the bigger gear
Which of the following is a type of inclined plane?
A staircase
A screw
A wedge
A lever
A simple machine is a device that helps to reduce the amount of _____ required to work.
force
energy
work
method
