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Why are all machines NOT 100% efficient? A. mass B. gravity C. friction D. distance
All machines are NOT 100% efficient because of friction.
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Question|Asked by
chiefnijel15
Asked 6/28/2016 7:20:56 AM
Updated 6/28/2016 7:34:03 AM
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Why are all machines NOT 100% efficient? A. mass B. gravity C. friction D. distance
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jerry06
All machines are NOT 100% efficient because of friction.
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Added 6/28/2016 7:34:03 AM
This answer has been confirmed as correct and helpful.
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[6/28/2016 4:02:01 PM]
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Questions asked by chiefnijel15
What makes simple machines useful for people without enough strength to complete a task? A. Work is reduced, while time is decreased. B. Input force is reduced, while time is increased. C. Power is increased, while distance is decreased. D. Input force is reduced, while distance is increased.
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Question|Asked by
chiefnijel15
Updated 11/6/2016 12:39:19 PM
1 Answer/Comment
8
alfred123
Work is reduced, while time is decreased makes simple machines useful for people without enough strength to complete a task.
Added 11/6/2016 12:39:19 PM
This answer has been confirmed as correct and helpful.
Confirmed by
Andrew.
[11/6/2016 7:39:05 PM]
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