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phy 201
Your 'cq_1_11.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
** CQ_1_11.1_labelMessages **
Answer the following based on Newton's Second Law:
How much net force is required to accelerate a 12 kg mass at 3 m/s^2?
answer/question/discussion: ->->->->->->->->->->->-> :
36N
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What would be the acceleration of a 4 kg mass subject to a net force of 20 Newtons?
answer/question/discussion: ->->->->->->->->->->->-> :
fnet= m*a
fnet/m= a
20/4= 5
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All calculations should include units throughout.
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If you exert a force of 20 Newtons on a 10-kg object and it accelerates in the direction of your force at 1.5 m/s^2, then how do you know there are other forces acting on the object besides your own?
answer/question/discussion: ->->->->->->->->->->->-> :
because the acceleration of a 10kg object with 20N of force behind it would result in an acceleration of 2m/s/s which means there is another force opposing our force which decreases the acceleration by .5m/s/s
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What is the total of all those forces and in what direction does this total act?
answer/question/discussion: ->->->->->->->->->->->-> :
the total would be 25N in the direction of travel.
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A 25 N force would result in an acceleration of 2.5 m/s^2.
The acceleration is only 1.5 m/s^2.
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Good, but do take a couple of minutes and revise in light of my notes.
&#Please see my notes and submit a copy of this document with revisions, comments and/or questions, and mark your insertions with &&&& (please mark each insertion at the beginning and at the end).
Be sure to include the entire document, including my notes. &#
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