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प्रश्न
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a see-saw.
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उत्तर
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संबंधित प्रश्न
What do you mean by the mechanical advantage of a lever?
Name the machine to which the following belong:
Beam balance
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?
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.
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Answer the following in a word or two or in a sentence.
Give one example of a machine used to multiply speed.
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?
Classify the following into levers:
A door
Classify the following into levers:
Wheel barrow
Name the class of the lever shown in the picture below:
