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WorksheetsQuiz on Levers
Total questions: 16
Worksheet time: 12mins
What is a lever?
A type of pulley
A straight bar that rests on a point called a fulcrum
A wheel used to move objects
A type of inclined plane
What is the fulcrum in a lever?
The load being lifted
The effort applied
The pivot point where the lever can move
The length of the lever
How do levers help us?
By increasing the weight of objects
By providing a mechanical advantage
By making objects heavier
By reducing the length of objects
Which of the following is an example of a lever?
A bicycle wheel
A seesaw
A pulley
A ramp
In a seesaw, what acts as the fulcrum?
The seat
The middle point where it balances
The handles
The ground
What happens when you push down on one side of a lever?
The lever breaks
The other side goes up
The lever stays still
The fulcrum moves
What is the benefit of using a lever to lift objects?
It requires more force
It makes objects heavier
It requires less effort
It shortens the lever
What does the handle of a shovel act like?
A pulley
A lever
A wheel
A wedge
What is the relationship between the fulcrum and the load in a lever?
The closer the fulcrum to the load, the more force is needed
The closer the fulcrum to the load, the less force is needed
The fulcrum does not affect the force needed
The fulcrum should be far from the load for more force
What is the main purpose of a lever?
To increase the weight of objects
To make objects move faster
To make work easier by reducing effort
To change the color of objects
A teeter-totter would be an example of which type of simple machine?
Inclined plane
Wedge
Pulley
Lever
What type of lever, useful for overcoming large loads, can be found at the ankle when a basketball player jumps for a rebound?
First class lever
Second class lever
Third class lever
Match the following machine
1st class lever
3rd class lever
2nd class lever
A camera boom is used at a television studio to allow filming from different positions.
Complete the sentence.
When the moment caused by the weight of the camera increases, the moment caused by the counterweight ____________________ .
decreases
does not change
increases
They are all the same moment.
Using the "FLE" 123 pneumonic device we've learned in class, match the image to the correct category. (Hint: the "Load" is also known as the "Resistance" or "Output")
1st Class Lever
2nd Class Lever
3rd Class Lever
A simple machine that consists a rigid bar that pivots on a fixed point
lever
pulley
wheel and axle
fulcrum
