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प्रश्न
The following belong to which class of lever?
Rowing of a boat
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उत्तर
Second-class of lever
संबंधित प्रश्न
State the principle of a lever?
Draw a diagram of a lever which is always used as a force multiplier. How is the effort arm related to the load arm in such a lever?
shows a nut cracker name the class of lever ?
The lever for which the mechanical advantage is less than 1 has :
Which class of lever found in the human body is being used by a boy when he raises the weight of his body on his toes?
The following belong to which class of lever?
A fire tongs
The following belong to which class of lever?
A pair of scissors
Shears, used for cutting metals and scissors used for cutting clothes are both examples of levers of the first order. However, whereas the shears always have short blades and long handles, the scissors often have blades much longer than the handles. Explain, why this is so?
The diagram below shows a lever in use.
(i) To which class of lever does it belong?
(ii) If FA = 40 cm, AB = 60 cm, then find the mechanical advantage of the lever.
State the types (or kinds) of lever, and give two examples of each kind.
