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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
Define the term ‘work input’ and ‘work output’ in relation to a machine.
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
The diagram below shows a wheel barrow. Mark position of fulcrum F and draw arrows to show the directions of load L and effort E. What class of lever is the whell barrow? Give one more example of the same class of lever.
What is an inclined plane?
Give an example of the following uses of a machine:
to obtain gain in speed
Define Velocity Ratio
What is the efficiency of an ideal machine?
Write an expression for the mechanical advantage of an inclined plane.
Classify the following as a lever, a pulley and an inclined plane:
A slide
The idea of a simple machine originated with the Greek philosopher Archimedes.
