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प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
Which class of lever has the mechanical advantage always more than 1? Give an example.
Name the class to which the following lever belong:
a pair of sugar tongs
Name the class to which the following lever belong:
a beam balance
Name the class to which the following levers belong:
a pair of pliers
State three differences between the three classes of levers.
Give one example of a class I lever where mechanical advantage is 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.
The diagram below shows a rod lifting a stone.
- Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
- What class of lever is the rod?
- Give one more example of the same class of lever stated in part (b).
Lemon juicer belongs to which type of lever? Why?
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 |
