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Can anyone live chat help me right now?

  1. Sep 23, 2012 #1
    I'm working on a crucial huge assignment, and I was wondering if anyone experienced in physics could talk to me one on one asap please? It's beginner AP Physics B homework.
    Thank you so much for your help.
    My lab is the first AP Physics lab we've gotten.
    We have two spring scales measuring a mass and we are to measure the force on the scales as the angle of it increases. The question is titled:
    4. Mathematically find all the vector componenets nd confirm your calculated data with your scale reading

    The measurements are:
    15 degrees - 5 N
    30 degrees- 5 N
    45 degrees- 5.1 N
    60 degrees- 5.5 N
    75 degrees - 5.6 N
    90 degrees- 6.5 N
    105- 7.5 N
    120 degrees - 9 N
     
    Last edited: Sep 23, 2012
  2. jcsd
  3. Sep 23, 2012 #2
    Yes, I can assist you, but where is the question? Without that, this thread is considered to be removed. Remember to indicate the questions AND the attempts. This way, I or we are able to help you.

    Thank you!
     
  4. Sep 23, 2012 #3
    Okay sorry
    My lab is the first AP Physics lab we've gotten.
    We have two spring scales measuring a mass and we are to measure the force on the scales as the angle of it increases. The question is titled:
    4. Mathematically find all the vector componenets nd confirm your calculated data with your scale reading
     
  5. Sep 23, 2012 #4
    The measurements are:
    15 degrees - 5 N
    30 degrees- 5 N
    45 degrees- 5.1 N
    60 degrees- 5.5 N
    75 degrees - 5.6 N
    90 degrees- 6.5 N
    105- 7.5 N
    120 degrees - 9 N
     
  6. Sep 23, 2012 #5
    I am assuming that the given values for the component is above the horizontal of the +x direction.

    For each problem, use these formulas:

    F_x = F * cos(θ) [horizontal]
    F_y = F * sin(θ) [vertical]

    That is just for part 4.
     
  7. Sep 23, 2012 #6
    Im sorry, but could you go into a little more depth about what you mean there?
    In my graph, x is force and y is the angle
    and how do i know what θ is?
     
  8. Sep 23, 2012 #7
    θ stands for the angle. That is all I can say. y is the same as θ.

    Maybe, you should include more info for your questions.

    Otherwise, find the components, using this form:

    F_x = F * cos(θ) [horizontal component]
    F_y = F * sin(θ) [vertical component (That is the distance between the starting point to the top.)]
     
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