The Do's of the planar open-chain mechanism

  1. Determine the DoFs of the planar open-chain mechanism as given below. Revolute
  2. Compute the rotation matrix R Rot(tn.13) to represent the rotation shown In the figure.
  3. What's the rotation matrix R that represents a rotation of 45 degrees around 2 axis R = Rot(9. 4 °)? Suppose the orientation of the body frame is represented by Rth 1 0 0 a a 2 2 in the space frame. Please draw the following three frames 1) the body .7 va v7 7 7 rame represented by R a: 2) the body frame RR,i, after rotation R; and 3) the body frame RibR after rotation R. What's the major difference between pre.multiplication md post-multiplication of R?