1. two links
2. three links
3. four links or more than four links
4. all of the above
four links or more than four links
1. 2
2. 3
3. 4
4. 5
4
1. closed pair
2. open pair
3. mechanical pair
4. rolling pair
closed pair
1. lower pair
2. higher pair
3. spherical pair
4. cylindrical pair
lower pair
1. completely constrained motion
2. partially constrained motion
3. incompletely constrained motion
4. freely constrained motion
completely constrained motion
1. incompletely constrained motion
2. partially constrained motion
3. completely constrained motion
4. successfully constrained motion
partially constrained motion
1. 1, 3
2. 2, 2
3. 3, 1
4. 4, 0
3, 1
1. adhesion
2. cohesion
3. surface tension
4. viscosity
surface tension
1. P = 2L-4
2. P = 2L+4
3. P = 2L+2
4. P = 2L-2
P = 2L+2
1. less
2. more
3. equal
4. less at low temperature and more at high temperature
more