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प्रश्न
Name the load, effort, and fulcrum.
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1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
उत्तर
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1. Load 2. fulcrum 3. effort |
1. Load 2. fulcrum 3. effort |
1. Load 2. fulcrum 3. effort |
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संबंधित प्रश्न
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following lever belong:
a lemon squeezer
Name the class to which the following lever belong:
a beam balance
Name the class to which the following lever belong:
a wheelbarrow
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.
Answer the following in a word or two or in a sentence.
Given an example of a Class I lever.
Answer the following in a word or two or in a sentence.
Which type of machine is used to squeeze a lemon?
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
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 |
