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प्रश्न
Give one example of a class I lever in a case where the mechanical advantage is equal to 1?
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उत्तर
equal to 1: Seesaw
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संबंधित प्रश्न
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
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.
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Explain why the mechanical advantage of a class II of lever is always more than 1.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
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.
