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प्रश्न
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
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उत्तर
The load in the centre, the fulcrum on one side and the effort on the other side make a lever of the second order.
संबंधित प्रश्न
What is the purpose of a jack in lifting a car by it?
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.
State the kind of lever which always has mechanical advantage less than 1. Draw a labelled diagram of such a lever.
Can a machine be 100% efficient?
Classify the following as a lever, a pulley and an inclined plane:
A wedge
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:
An axe
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the first order.
Why is this so machines have to be maintained?
The idea of a simple machine originated with the Greek philosopher Archimedes.
