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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
An axe
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उत्तर
An axe – A wedge
संबंधित प्रश्न
What is the principle on which a machine works?
Name six simple machines. Give an example of each machine.
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
What is the efficiency of an ideal machine?
Give an example of the following use of a machine to change the point of application of the force.
Classify the following as a lever, a pulley and an inclined plane:
A crane
Which machine will you use to do the following work? Write their type.
To remove the lid of a tin.
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
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.
The idea of a simple machine originated with the Greek philosopher Archimedes.
