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प्रश्न
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
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उत्तर
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संबंधित प्रश्न
What is a lever?
Name the class to which the following lever belong:
a nutcracker
Name the machine to which the following belong:
Beam balance
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
Answer the following in short.
What is the basis of the classification of levers?
Give one example of a class I lever where mechanical advantage is less than 1.
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Shows a lemon crusher. Name the class of lever.
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
second-order lever ______.
