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प्रश्न
Name the machine to which the following belong:
Lemon crusher
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उत्तर
Lemon crusher: A lever (lever of class II)
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संबंधित प्रश्न
What do you mean by the mechanical advantage of a lever?
Name the class to which the following lever belong:
a crowbar
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
How does the friction at the fulcrum affect the mechanical advantage of the lever?
A lever of length 100 cm has the effort of 15 kgf at a distance of 40 cm from the fulcrum at one end. What load can be applied at its other end?
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.
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Class III levers have mechanical advantage less than one. Why are they then used?
Classify the following into levers:
A catapult
