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प्रश्न
Give one example of a class I lever where mechanical advantage is less than 1.
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उत्तर
Class I levers with M.A. less than 1 are scissors used to cut cloth or paper. When M.A. is less than 1, this type of lever is used to increase speed.
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संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
Name the class to which the following lever belong:
an oar rowing a boat.
Name the class to which the following lever belong:
a crowbar
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
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Both a pair of scissors and a pair of pliers belong to the same class of levers. Name the class of lever. Which one has the mechanical advantage less than 1?
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
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 |
