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प्रश्न
Which machine will you use to do the following work? Write their type.
To lift bricks to the top of a tall building.
उत्तर
To lift bricks to the top of a tall building, we should use a crane, which is a pulley.
संबंधित प्रश्न
Name six simple machines. Give an example of each machine.
A machine is 75% efficient’. What do you understand by this statement?
Answer the following in short.
Mention any two methods by which we can take care of machines.
show a nut cracker In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E .
State the kind of lever which always has mechanical advantage less than 1. Draw a labelled diagram of such a lever.
Can a simple machine act as a force multiplier and a speed multiplier at the same time?
How does a machine work?
Classify the following as a lever, a pulley and an inclined plane:
A slide
Which machine will you use to do the following work? Write their type.
To cut vegetables.
Why is this so traveller’s bags have wheels?
