List I | List II | ||
---|---|---|---|
A. | Double, slides cranks mechanism | I | Pantograph |
B. | Four bar chain | II | Elliptical trammel |
C. | Single slider crank mechanism | III | Hip joint |
D. | Spherical joint | IV | White worth quick returns mechanism |
List I | List II | ||
---|---|---|---|
A. | Line of action lying on the same line. | I | Parallel forces |
B. | Lines of action parallel to each other. | II | Concurrent |
C. | Lines of action intersecting at a point. | III | Non-Coplanar forces |
D. | Lines of action lying on different planes or in space. | IV | Collinear forces |
Link i | ai | \(\alpha_i\) | di | \(\theta_i\) |
1 | 0 | \(90\degree\) | 0 | \(\theta_1\) |
2 | 0 | 0 | d2 | 0 |