Question and answer
What is the purpose of using a screw? A. to reduce force over a distance B. to open a door C. to hold a door in place D. to close a door
Question
Asked 5/6/2012 4:35:12 PM
Updated 8/18/2015 7:01:17 AM
1 Answer/Comment
Flagged by alfred123 [8/18/2015 7:01:17 AM]
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User: What is the purpose of using a screw? A. to reduce force over a distance B. to open a door C. to hold a door in place D. to close a door

Question
Asked 5/6/2012 4:35:12 PM
Updated 8/18/2015 7:01:17 AM
1 Answer/Comment
Flagged by alfred123 [8/18/2015 7:01:17 AM]
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The purpose of using a screw is: to hold a door in place.
Added 8/18/2015 7:00:22 AM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [11/25/2015 1:58:06 AM]
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Questions asked by the same visitor
What type of simple machine will separate objects? A. a screw B. a knife C. an pulley D. a ramp
Question
Updated 7/14/2016 11:23:53 AM
1 Answer/Comment
A knife will separate objects.
Added 7/14/2016 6:00:50 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [7/14/2016 11:23:56 AM]
Which of the following is an example of a lever? A. a ramp B. scissors C. a pulley D. a razor blade
Question
Updated 1/6/2019 11:03:27 PM
1 Answer/Comment
Scissors is an example of a lever.
Added 1/6/2019 11:03:27 PM
This answer has been confirmed as correct and helpful.
What is an example of a compound machine? A. cup B. set of tweezers C. scissors D. a box
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Not Answered
Updated 7/25/2014 1:31:27 AM
1 Answer/Comment
SCISSORS is an example of a compound machine.
Added 7/25/2014 1:31:27 AM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [7/25/2014 6:04:41 AM]
Which of the following is the best definition for power? A. work per unit of time B. force per unit of time C. work per unit of force D. force per unit of distance
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Updated 1/17/2016 6:23:59 AM
1 Answer/Comment
The best definition for power is work per unit of time.
Added 1/17/2016 6:23:58 AM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [1/17/2016 6:26:12 AM]
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