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प्रश्न
Answer the following.
What do you understand by a complex machine?
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उत्तर
Machines such as sewing machines or cars that have more than one moving part are called complex machines.
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संबंधित प्रश्न
State whether the following statement is True or False.
In an ideal machine, work done on load is equal to the work done by effort.
What is an ideal machine?
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show a nut cracker In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E .
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What is the efficiency of an ideal machine?
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 knife
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
Identify and mention the types of simple machines.
 |
 |
 |
| ______ | ______ | _______ |
 |
 |
 |
| ______ | ______ | ______ |
