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प्रश्न
Tick the most appropriate answer.
A pair of scissors is an example of a/an
पर्याय
wedge
lever
inclined plane
screw
उत्तर
lever
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
In class II levers, the load is in between fulcrum and .........
Which class of lever has the mechanical advantage always more than 1? Give an example.
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.
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
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.
Name the three classes of levers and state how are they distinguished. Give two examples of each class.
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
Classify the following into levers:
A catapult
