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Sagot :
Answer:
Explanation:
1. All screws give the same M.A.
False - it depends on screw size and threads
2. A screw does its job by moving.
True - as far as screw as a machine
3. A screw with more threads has a smaller M.A.
False - more threads increase output force i.e. higher MA
4. Screws can be used to move things. *
True
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