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Question
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
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Solution
Class III lever (hockey stick, fbreep)
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RELATED QUESTIONS
State whether the following statement is True or False.
All levers are force multipliers.
Which class of lever has the mechanical advantage always more than 1? Give an example.
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
State three differences between the three classes of levers.
Name the machine to which the following belong:
Lemon crusher
Name the machine to which the following belong:
Sugar tongs
Explain why the mechanical advantage of a class II of lever is always more than 1.
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the things below.
| Sl. No | Examples | Class of Lever |
| 1. | Spade | |
| 2. | Seesaw | |
| 3. | Wheel barrow | |
| 4. | Plier | |
| 5. | Nail cutter |
A ______ lever will always have M.A. > 1.
