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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
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उत्तर
The wheel of a flagpole – A pulley
संबंधित प्रश्न
Name six simple machines. Give an example of each machine.
What do you understand by a simple machine?
What is the purpose of a jack in lifting a car by it?
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
Give an example of the following uses of a machine:
to obtain gain in speed
Define Velocity Ratio
A uniform metre scale is kept in equilibrium when supported at the 60 cm mark and a mass M is suspended from the 90 cm mark as shown in the figure. State with reasons, whether the weight of the scale is greater than, less than or equal to the weight of mass M.
Classify the following as a lever, a pulley and an inclined plane:
An opener
Classify the following as a lever, a pulley and an inclined plane:
A crane
Which machine will you use to do the following work? Write their type.
To draw water from a well.
