*2-20. The piece of plastic is originally rectangular. Determine the average normal strain that occurs along the diagonals AC and DB. Geometry: AC = DB = √400² + 300² = 500 mm ᎠᏴ . -√405² +304² = 506.4 mm A'C' V401²+ 300² 500.8 mm - 2 mm 300 mm 2 mm D 400 mm- A mm, B 3 mm 14 mm 12 mm -X

If the applied load "P" causes the point C to be displaced downward by &c=1 mm, determine the normal strain in members AC and BC. The unloaded lengths are LAC-210 mm and LBC=480 mm. A The strain for link AC is The strain for link BC is 60° 45° Submit Question O Is Question Help: Message instructor SC B

I think you forgot about the horizontal force at the pin

Why should the elastic curve be concave downwards?

Please answer the question in the picture, and make sure you do the right work.