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BECE Science 2021 Paper
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© africaexams.com
Question : 37
Total: 40
Which of the following machines are complex machines?
I. Tractor
II. Mist blower
III. Sewing machine
I and II only
I and III only
II and III only
I, II and III
Validate
Solution:
A complex machine is a combination of two or more simple machines. Examples: Tractors, Cars, Mist blower,Sewing machines & Mower
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