According to magnitude, direction & point of application forces may be classified as :
1) Concurrent & Non - Concurrent 2) Colinear & Non - Colinear 3) Coplaner & Non - Coplaner Concurrent & Non - Concurrent forces :- If all the forces acting on a body meet at a point or act through a point, they are called concurrent forces. If all the forces acting on a body do not meet at a point or act through a point, they are called non -concurrent forces Colinear &Non - Colinear :- If all the forces acting on a body have same line of action (not necessarity through the same point ) then they are called colinear forces. If the forces acting on a body have different line of action then they are called non - colinear forces. Coplaner & Non - Coplaner force :- If the lines of action of forces lie in the same plane then the forces are called Co - planer forces. If the lines of action of forces do not lie in the same plane then the forces are called...