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Answer the following questions :(a) What are simple machines? Give examples.(b) What are the advantages of using a machine?(c) What is meant by a pulley?(d) What can you use as an inclined plane?(e) What is meant by a lever?(f) What is meant by a complex machine? Give an example.(g) How many types of levers are there? On what basis are they classified?(h) What should we do to take care of machines? |
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Answer» Answer the following questions : (a) What are simple machines? Give examples. (b) What are the advantages of using a machine? (c) What is meant by a pulley? (d) What can you use as an inclined plane? (e) What is meant by a lever? (f) What is meant by a complex machine? Give an example. (g) How many types of levers are there? On what basis are they classified? (h) What should we do to take care of machines? |
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