Recent content by Kate16

  1. K

    How Does the Galileoscope's Optical Design Affect Its Viewing Capabilities?

    Homework Statement 2009 it was 400 years ago, Galileo Galilei (1564-1642) for the first time turned his home-built telescope to the sky, and for this reason is celebrated this year the International Year of Astronomy a group of astronomers, optical engineers and teachers developed a Galilean...
  2. K

    A string over a pulley, same tension?

    what do you mean by: "for the forces"?
  3. K

    A string over a pulley, same tension?

    So the tension in the string must be the same because? I've done the example you described it but I can't figure out a good way to explain it.
  4. K

    A string over a pulley, same tension?

    I still don't understand how I should explain why the tension must be the same? thanks for the reply
  5. K

    A string over a pulley, same tension?

    Hi, I am new here! 1. There is no actually data given, I am just supposed to explain why a string that crosses a pulley have the same tension both sides. The pulleys moment of inertia is zero and friction is negligible. There is a little hint in this problem that says; study equation 9-15...
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