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प्रश्न
What is a lever?
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उत्तर
A lever is a simple rigid bar that is free to move around a point called the fulcrum.
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संबंधित प्रश्न
Which class of lever has the mechanical advantage always less than 1? Give an example.
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Name the class to which the following lever belong:
an oar rowing a boat.
Name the class to which the following lever belong:
a crowbar
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
Name the machine to which the following belong:
Lemon crusher
A lever of length 100 cm has the effort of 15 kgf at a distance of 40 cm from the fulcrum at one end. What load can be applied at its other end?
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Match the following:
| 1. | Class I lever | a. | Wheelbarrow |
| 2. | Class II lever | b. | Seesaw |
| 3. | Class III lever | c. | Axe |
| 4. | Wedge | d. | Hockey sick |
second-order lever ______.
