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प्रश्न
Draw a labelled diagram of a class II lever. Give one example of such a lever.
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उत्तर
The nut cracker acts as a class II lever.
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संबंधित प्रश्न
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following lever belong:
a beam balance
Name the class to which the following lever belong:
a wheelbarrow
Name the class to which the following lever belong:
a see-saw
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.
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?
Classify the following into levers:
Wheel barrow
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 |
Classify the following into levers:
Sugar tongs
