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प्रश्न
Shows a lemon crusher. Name the class of lever.
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उत्तर
It is second-class of the lever
संबंधित प्रश्न
Which class of lever has the mechanical advantage always less than 1? Give an example.
Name the class to which the following lever belong:
A pair of scissors
Name the class to which the following lever belong:
a nutcracker
How can you increase 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.
Name the simplest of all types of machines.
Answer the following.
What is a Class I lever?
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
Wheel barrow
