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प्रश्न
Name the class to which the following lever belong:
a beam balance
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उत्तर
a beam balance: Class I lever.
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संबंधित प्रश्न
State whether the following statement is True or False.
All levers are force multipliers.
Fill in the blank:
In class II levers, the load is in between fulcrum and .........
Name the class to which the following lever belong:
a nutcracker
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a beam balance
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
State three differences between the three classes of levers.
Name the machine to which the following belong:
Sugar tongs
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.
What is a Class I lever?
Class III levers have mechanical advantage less than one. Why are they then used?
