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प्रश्न
Name the machine to which the following belong:
Beam balance
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उत्तर
Beam balance: A lever (lever of class I).
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संबंधित प्रश्न
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Name the class to which the following lever belong:
an oar rowing a boat.
Name the machine to which the following belong:
Lemon crusher
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
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 door
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 |
Differentiate Class I lever and Class II lever.
