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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.
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उत्तर
To lift bricks to the top of a tall building, we should use a crane, which is a pulley.
संबंधित प्रश्न
What is the principle on which a machine works?
Define the term ‘work input’ and ‘work output’ in relation to a machine.
Answer the following.
What is a machine?
Answer the following in short.
Mention any two methods by which we can take care of machines.
State the kind of lever which always has mechanical advantage less than 1. Draw a labelled diagram of such a lever.
Write an expression for the mechanical advantage of an inclined plane.
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
Which machine will you use to do the following work? Write their type.
To cut vegetables.
Name some simple machines.
Simple machines usually exchange a larger force to move a heavy object.
