Recent content by kobylorat

  1. K

    How Do Forces Interact in Stacked 45 Degree Wedges with Friction?

    okay, so the top wedge should experience a force due to gravity pointing downwards, normal force pointing to the top right, and friction force to the top left? while the bottom wedge experiences a force due to gravity downwards, a normal force upwards. should it also experience another force to...
  2. K

    How Do Forces Interact in Stacked 45 Degree Wedges with Friction?

    Homework Statement How would the free-body diagram of two 45 degree right angle wedges stacked on one another look like? (It is stacked so that the two wedges form a square) There is friction that is holding the wedges together. The wedges are in place and not moving. ___ |\ | | \| ----...
  3. K

    Is the Answer Key for Projectile Motion Problem Incorrect?

    Homework Statement I've attached the problem. The answer key says the answer is (a), but I've reasoned it out to be (c). I'm not sure if the answer key is wrong, so can someone check my work? Thanks! Homework Equations The Attempt at a Solution I've found that the initial vertical...
  4. K

    Determining an expression for acceleration

    Homework Statement Here is the question: http://i1110.photobucket.com/albums/h459/granolup/Untitled.png It is assumed that the blocks are not moving. Homework Equations F=ma N=mg friction = umg The Attempt at a Solution I have started out drawing free-body diagrams for each...
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