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Question
Name the class to which the following lever belong:
a beam balance
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Solution
a beam balance: Class I lever.
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RELATED QUESTIONS
Which class of lever has the mechanical advantage always more than 1? Give an example.
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Name the class to which the following lever belong:
a pair of sugar tongs
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the lever.
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Answer the following in a word or two or in a sentence.
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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 |
second-order lever ______.
