quiz6 - QUIZ 6 WORK KINETIC ENERGY Name MULTIPLE CHOICE...

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Name___________________________________   MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.  1) 
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constant  force of  20 N is  applied to  an object  of mass  8.0 kg at  an angle  of 25°  with the  horizontal . What is  the work  done by  this force  on the  object if it  causes a  displacem ent of 2.0  m along  the  horizontal  direction? 
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1)  ______ _  A
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40 J 
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B) 
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19 J 
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C) 
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0 J 
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D) 
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17 J 
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E)  3 6 J  
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horizontal  force of  40 N  pushes an  object of  mass 5.0  kg up an  inclined  plane  through a  distance  of 1.6 m  measured  along the  plane.  The plane  is inclined  at an  angle of  30  degrees to  the  horizontal . Neglect  friction  and use  =  10 m/ .  What is  the work  done by  the net  force on  the  object? 
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2)  ______ _  A
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- 25 J 
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B) 
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15 J 
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C) 
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37 J 
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D) 
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0 J 
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E)  5 3 J  
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A 4.0 kg  mass is  moving  with  speed 2.0  m/s.  A  1.0 kg  mass is  moving  with  speed 4.0  m/s.  Both  objects  encounter  the same  constant  braking  force, and  are  brought to  rest.  Which  object  travels the  greater  distance  before  stopping? 
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3)  ______ _  A t h e   1 .0  kg  m as t h e 4.0 kg  mass 
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Both travel the  same distance.  D) 
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Cannot be  determined from the information given.    4) 
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quiz6 - QUIZ 6 WORK KINETIC ENERGY Name MULTIPLE CHOICE...

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