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प्रश्न
Identify and mention the types of simple machines.
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 |
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| ______ | ______ | _______ |
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 |
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| ______ | ______ | ______ |
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उत्तर
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| Wedge | Inclined plan | Lever |
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| Wheel and axle | Pulley | Screw |
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संबंधित प्रश्न
State whether the following statement is True or False.
A machine performs work by itself.
A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.
Write an expression to show the relationship between mechanical advantage, velocity ratio, and efficiency for a simple machine.
Define mechanical advantage (M.A.) of the machine.
Write an expression for the mechanical advantage of an inclined plane.
Classify the following as a lever, a pulley and an inclined plane:
An axe
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
Name the levers mentioned in the following passage. Identify the fulcrum, load, and effort of each and say which type of lever it is.
Ravi and Savita sit on a seesaw in a garden. In the meantime, a gardener is trimming trees in the garden. He puts the leaves and other garbage in the wheelbarrow. Later, Ravi gets thirsty and he buys lemon sherbet. The sherbet seller cuts the lemon and squeezes it using a lemon squeezer. He puts small pieces of ice in the glass with the help of the tongs.
Simple machines usually exchange a larger force to move a heavy object.
The idea of a simple machine originated with the Greek philosopher Archimedes.
