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प्रश्न
Shows a lemon crusher. Name the class of lever.
उत्तर
It is second-class of the lever
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संबंधित प्रश्न
Fill in the blank:
In class II levers, the load is in between fulcrum and .........
What is a lever?
What do you mean by the mechanical advantage of a 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.
State the principle of levers.
Answer the following.
What is a Class I lever?
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
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:
A fishing rod
