what was the need for invention of machine
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Answer:Human history is invention—to help understand and improve our world. And some of those leaps forward have been very big, both in size and historical importance. Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities.
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Answer:
Answer:Human history is invention—to help understand and improve our world. And some of those leaps forward have been very big, both in size and historical importance. Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities.
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