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प्रश्न
Define Mechanical advantage
उत्तर
Mechanical advantage (M.A.): The ratio of the load to the effort is called the mechanical advantage of the machine.
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संबंधित प्रश्न
Answer the following in short.
Mention any two methods by which we can take care of machines.
Why is a machine not 100% efficient?
Define Simple machine
Give an example of the following use of a machine to obtain gain in force.
Classify the following as a lever, a pulley and an inclined plane:
Scissors
Which machine will you use to do the following work? Write their type.
To remove the lid of a tin.
What is meant by simple machines?
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.
______ help us to make work easier.
A pair of scissors is a _____ multiplier.
