FALSE - Not always.
Machines can do a lot of work, but if they can't do it quickly, they aren't necessarily efficient. In fact, two machines can perform the same task (that is, do the same job), but their power ratings can differ significantly.
We know that machines are man made objects. they work by the instructions given my the people which made them. machines are effective as they can do the work more precisely and effectively but it varies from machine to machine and it depends on a lot of factors.
Machines can do a lot of work until it is workable and it does not have any malfunctioning once it stops working it is not powerful or efficient
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