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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.
A machine performs work by itself.
What is an ideal machine?
Can a machine have an efficiency of 100%? Give a reason to support your answer.
What do you understand by a simple machine?
The mechanical advantage of an inclined place is always:
(a) less than 1
(b) equal to 1
(c) greater than 1
(d) nothing can be said
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