NEW
Font size
WorksheetsMastering Simple Machines
Total questions: 31
Worksheet time: 18mins
What is a lever?
A machine that uses a rope to lift objects
A rigid bar that pivots on a fixed point to move an object
A slope that reduces the effort needed to raise objects
A wheel with a rod through its center
Which of the following is an example of a pulley?
A seesaw
A staircase
A flagpole with a rope to raise a flag
A knife
What is the purpose of a wheel and axle?
To hold objects together
To change the direction of a force
To reduce the friction when moving objects
To split objects apart
An inclined plane is also known as a:
Screw
Ramp
Fulcrum
Wedge
What is a wedge primarily used for?
Lifting heavy objects
Holding things together
Splitting or cutting objects
Raising water from a well
How does a screw differ from a nail?
A screw is made of metal, while a nail is made of wood
A screw has threads, while a nail is smooth
A screw is always longer than a nail
A nail requires a screwdriver to be driven into wood
What is the fixed point on which a lever rotates called?
Axis
Fulcrum
Pivot
Hinge
Which simple machine would be most effective in raising a bucket of water from a well?
Lever
Wedge
Pulley
Screw
Which simple machine is made up of two inclined planes put together?
Lever
Pulley
Wedge
Wheel and axle
What is the main advantage of using an inclined plane to move objects to a higher elevation?
It requires no energy
It decreases the distance
It increases the weight of the object
It reduces the effort needed
In a first-class lever, where is the fulcrum located in relation to the effort and the load?
The fulcrum is between the effort and the load
The effort is between the fulcrum and the load
The load is between the fulcrum and the effort
The fulcrum is outside the effort and the load
What is the primary function of a screw in terms of simple machines?
To lift objects
To hold objects together
To reduce friction
To cut through materials
How can simple machines make work easier?
by decreasing the force needed to complete the task
by increasing the friction between the machine and the object
by adding more work on the object than originally applied
by removing the force of gravity on the object
A doorknob is an example of a _______.
wheel and axle
inclined plane
pulley
wedge
A simple machine that splits an object apart is a _______.
inclined plane
fulcrum
wedge
lever
A ramp is an example of a(n) _______.
inclined plane
fulcrum
force
lever
Which simple machine would be the MOST efficient for lifting an object 30 meters off the ground?
pulley
screw
wedge
lever
The bow or front of a boat splits the water as the boat moves. What kind of simple machine would the bow of the boat be?
wedge
screw
ramp
lever
Using the back of a hammer makes it much easier to remove a nail from a wooden board. What kind of simple machine would the hammer be classified as if you are using it for this purpose?
Wedge
Lever
Pullye
Inclined Plane
Which of the following is NOT an example of the simple machine know as a screw?
the lid of a jar
a bolt
a drill bit
a crowbar
A seesaw is what simple machine?
lever
inclined plane
pulley
gear
A wheelbarrow is an example of a complex machine. Which simple machine is NOT found in this object?
lever
wedge
wheel and axle
