Advertisements
Advertisements
प्रश्न
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
उत्तर
The provided diagram shows a lever system with the fulcrum, load, and effort clearly labeled.
Class of Lever
This is a Class 1 Lever, where the fulcrum is positioned between the load and the effort.
Examples of Class 1 Lever
- Seesaw: A common playground equipment.
- Scissors: Both handles and blades operate as Class 1 levers.
- Crowbar: Used for prying objects.
How It Works:
- In a Class 1 lever, the effort and load move in opposite directions around the fulcrum.
- Depending on the position of the fulcrum, the lever can be used to gain either a mechanical advantage (make lifting easier) or speed advantage.
APPEARS IN
संबंधित प्रश्न
What is a lever?
Name the class to which the following lever belong:
A pair of scissors
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
How does the friction at the fulcrum affect the mechanical advantage of the lever?
Name the machine to which the following belong:
Beam balance
Answer the following.
State the principle of levers.
Answer the following in a word or two or in a sentence.
Which type of machine is used to squeeze a lemon?
Give one example of a class I lever where mechanical advantage is less than 1.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Shows a lemon crusher. Name the class of lever.
