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प्रश्न
Name the class to which the following lever belong:
a beam balance
उत्तर
a beam balance: Class I lever.
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संबंधित प्रश्न
Name the class to which the following lever belong:
a see-saw
Name the class to which the following lever belong:
a crowbar
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.
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Shows a lemon crusher. Name the class of 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 |
A ______ lever will always have M.A. > 1.
