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प्रश्न
______ help us to make work easier.
विकल्प
Ramp
Simple machines
Work
Energy
Pulley
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उत्तर
Simple machines help us to make work easier.
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संबंधित प्रश्न
What care would you take to increase the life span of a machine which you use?
Answer the following in short.
Mention any two methods by which we can take care of machines.
What do you understand by a simple machine?
The mechanical advantage of an inclined place is always:
(a) less than 1
(b) equal to 1
(c) greater than 1
(d) nothing can be said
What is the efficiency of an ideal machine?
Classify the following as a lever, a pulley and an inclined plane:
A needle
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
Classify the following as a lever, a pulley and an inclined plane:
A knife
What is a lever?
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.
