WorksheetsLevers Quiz
Total questions: 20
Worksheet time: 11mins
What is a lever?
A lever is a simple machine consisting of a rigid bar that rotates around a fixed point called a fulcrum.
A lever is a type of pulley.
A lever is a type of screwdriver.
A lever is a type of inclined plane.
What are the three types of levers?
first-class lever, second-class lever, and third-class lever
fulcrum, load, effort
fixed, movable, inclined
mechanical, electrical, hydraulic
In which type of lever is the fulcrum located between the effort and the load?
First-class lever
Third-class lever
Fourth-class lever
Second-class lever
Give an example of a first-class lever.
Bottle opener
Pulley system
See-saw
Scissors
In which type of lever is the load located between the fulcrum and the effort?
second-class lever
first-class lever
third-class lever
fourth-class lever
Give an example of a second-class lever.
Scissors
Pliers
Nutcracker
Wheelbarrow
In which type of lever is the effort located between the fulcrum and the load?
Type 2 lever
Type 4 lever
Type 1 lever
Type 3 lever
Give an example of a third-class lever.
Pair of tweezers
Crowbar
Scissors
Wrench
Simple machines change the size and __________ of forces.
color
direction
work
property
The pivot point of a lever is called the _________.
load
bar
effort
fulcrum
Which of the following is not a lever?
Which of the following is not an example of a ramp? (inclined plane)
A prosthetic arm is an example of a _________.
ramp
screw
pulley
lever
How many simple machines are there?
4
6
8
12
The mass lifted by the lever is called ______________.
lever arm
fulcrum
effort
load
The force needed to move the load is called the ___________________.
Newtons
effort
spring scale
load
Of the choices below, which is NOT a way that levers can help us?
lift loads
move loads
build loads
make work easier
The closer the load is to the fulcrum, the _________ it is to lift the load.
easier
harder
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
Move the load closer to the effort
