The threedimensional structure shown is supported by four co

The three-dimensional structure shown is supported by four corner ball bearings. How many orthogonal reaction force components act at each corner? O (A) 1 O (B) 2 o (C) 3 O (D) 4

Solution

Answer 33. (A)

in 3-D roller support consists only one orthogonal reaction (i.e. vertical)

Answer 34. (B)

a. cup cone failure after necking

b. brittle failure

c. necking failure