Recent content by yunny

  1. Y

    Coefficient of static friction for picture pressed against wall

    Thanks a lot. When applying maximum force so that vertical component is greater than the weight, the frame tend to go upward, static friction acts downward. When applying minimum force, weight is bigger than the vertical component, the frame tends to go downward, static friction acts...
  2. Y

    Coefficient of static friction for picture pressed against wall

    Homework Statement The problem is While trying to decide where to hang a framed picture, you press it against the wall to keep it from falling. The picture weighs 5.0 N and you press against the frame with a force of 6.0 N at an angle of 40ºfrom the vertical. What is the coefficient...