Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is
A. F + P
B. F × P
C. P
D. F
Answer: Option A

Since plate is rigid so tension will greater of F and P. So ans will D