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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 more than 1? Give an example.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
Answer the following.
State the principle of levers.
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Answer the following in a word or two or in a sentence.
Which type of machine is used to squeeze a lemon?
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Classify the following into levers:
A fishing rod
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 ______.
Classify the following into levers:
Sugar tongs
