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प्रश्न
Name the machine to which the following belong:
Lemon crusher
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उत्तर
Lemon crusher: A lever (lever of class II)
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संबंधित प्रश्न
What do you mean by the mechanical advantage of a lever?
Give one example of a class I lever where the mechanical advantage is more than 1.
Tick the most appropriate answer.
Which of the following is a Class II lever?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Give one example of a class I lever where mechanical advantage is less than 1.
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
A catapult
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 |
