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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
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उत्तर
lever
APPEARS IN
संबंधित प्रश्न
What do you mean by the mechanical advantage of a lever?
Give one example of a class I lever in a case where the mechanical advantage is less than 1?
Name the class to which the following levers belong:
a pair of pliers
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
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?
Give one example of a class I lever where mechanical advantage is less than 1.
The diagram below shows a rod lifting a stone.
- Mark position of fulcrum F and draw arrows to show the directions of load L and effort E.
- What class of lever is the rod?
- Give one more example of the same class of lever stated in part (b).
second-order lever ______.
