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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A slide
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उत्तर
A slide – An inclined plane
संबंधित प्रश्न
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
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.
How does a machine work?
A cook used a ‘fire tong pair’ of length 32 cm. to lift a piece of burning coal of mass 500 g. If he applies his effort at a distance of 8 cm from the fulcrum, what is his effort? Assume friction etc. to be absent. Also, obtain values of the M.A. and the V.R. of this ‘machine’.
Which machine will you use to do the following work? Write their type.
To cut vegetables.
Why is this so machines have to be maintained?
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.
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
Simple machines usually exchange a larger force to move a heavy object.
