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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A knife
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उत्तर
A knife – An inclined plane
संबंधित प्रश्न
Define the term ‘work input’ and ‘work output’ in relation to a machine.
Answer the following.
What do you understand by a complex machine?
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 in terms of its length I and vertical height h.
Define Efficiency
Can a simple machine act as a force multiplier and a speed multiplier at the same time?
Give an example of the following use of a machine to change the point of application of the force.
Classify the following as a lever, a pulley and an inclined plane:
A slide
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
A pair of scissors is a _____ multiplier.
