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प्रश्न
Give one example of a class I lever where the mechanical advantage is more than 1.
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उत्तर
A shear is a class I lever with an M.A. more than 1.
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संबंधित प्रश्न
Fill in the blank:
In class II levers, the load is in between fulcrum and .........
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:
an oar rowing a boat.
Name the class to which the following lever belong:
a wheelbarrow
Name the class to which the following lever belong:
a crowbar
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
How does the friction at the fulcrum affect the mechanical advantage of the lever?
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.
Name the simplest of all types of machines.
Answer the following.
What is 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 short.
What is the basis of the classification of levers?
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Explain why the mechanical advantage of a class II of lever is always more than 1.
Explain why the mechanical advantage of the class III type of lever is always less than 1.
Classify the following into levers:
Wheel barrow
Name the load, effort, and fulcrum.
 |
 |
 |
|
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
1. ______ 2. ______ 3. ______ |
Classify the following into levers:
Sugar tongs
