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प्रश्न
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
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उत्तर
The effort in the centre, the load on one side and the fulcrum on the other side make a lever of the third order.
संबंधित प्रश्न
What do you understand by a machine?
What is an ideal machine?
What is the purpose of a jack in lifting a car by it?
Why is a machine not 100% efficient?
Can a simple machine act as a force multiplier and a speed multiplier at the same time?
Give an example where a machine is used to obtain gain in speed.
What is the relationship between the mechanical advantage and the velocity ratio for:
(i) An ideal machine,
(ii) A practical machine.
Give an example of the following use of a machine to change the direction of force.
Classify the following as a lever, a pulley and an inclined plane:
A needle
______ help us to make work easier.
