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प्रश्न
Answer the following in short.
What is the basis of the classification of levers?
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उत्तर
Levers are classified on the basis of the relative positions of load, effort, and fulcrum.
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संबंधित प्रश्न
What do you mean by the mechanical advantage of a lever?
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
Answer the following.
Name the simplest of all types of machines.
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Classify the following into levers:
A fishing rod
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
Lemon juicer belongs to which type of lever? Why?
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 |
A ______ lever will always have M.A. > 1.
