Technical Drawing 2, WASSCE (SC), 2021

Question 4

 

In the link mechanism shown in Fig. 3, OA revolves clockwise about O. AB slides through pivoted block, C.

 

 

Draw the locus of point P for one revolution of OA


 

Observation

 

The performance of candidates on this question was very good: they were able to draw the locus of the given link for a revolution.