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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A crane
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उत्तर
A crane – A pulley
संबंधित प्रश्न
State whether the following statement is True or False.
A machine performs work by itself.
Answer the following in short.
Mention any two methods by which we can take care of machines.
Why is a machine not 100% efficient?
Give an example of the following uses of a machine:
to obtain gain in speed
Write an expression to show the relationship between mechanical advantage, velocity ratio, and efficiency for a simple machine.
Write an expression for the mechanical advantage of an inclined plane.
Establish a relationship between efficiency, M.A., and V.R.
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?
A pair of scissors is a _____ multiplier.
