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प्रश्न
The following belong to which class of lever?
Rowing of a boat
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उत्तर
Second-class of lever
संबंधित प्रश्न
Name a machine to obtain gain in speed?
Give one example of a class I lever where mechanical advantage is more than one ?
shows a nut cracker name the class of lever ?
Give three examples for leavers of 1st order.
The following belong to which class of lever?
A fire tongs
The following belong to which class of lever?
Sugar tongs
In the diagram shown alongside a claw hammer, mark the fulcrum (F) and indicate the directions of load (L) and effort (E) with arrows. What class of lever is it? Give one more example of this class of lever.
The diagram below shows a lever in use.
(i) To which class of lever does it belong?
(ii) If FA = 40 cm, AB = 60 cm, then find the mechanical advantage of the lever.
A crowbar of length 100 cm is used to lift a load of 5 kgf. It has its fulcrum at a distance of 20 cm from the load. Calculate:
(i) the mechanical advantage of a crowbar and,
(ii) the effort applied at the other end.
What is a first-order lever?
