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  4. (i) What is meant by a machine? (ii) List two examples of a simple machine....

(i) What is meant by a machine? (ii) List two examples of a simple machine....

(i) What is meant by a machine? (ii) List two examples of a simple machine. (iii) Explain the statement "The velocity ratio of a machine is 5" (b) (i) Define the efficiency of a machine. (11) Explain why a machine can never be 100% efficiency?
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Asked by Paul on 8th February, 2023
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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