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प्रश्न
Name the class to which the following lever belong:
a wheelbarrow
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उत्तर
a wheelbarrow: Class II lever.
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संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
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:
an oar rowing a boat.
Name the machine to which the following belong:
Lemon crusher
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.
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
