If the tendon is placed at an eccentricity e below the centroidal axis of the longitudial axis of a rectangular beam(sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge

- 1
  
  $i s i n c r e a s e d b y \frac{P Z}{e}$
- 2
  
  $i s i n c r e a s e d b y \frac{P e}{Z}$
- 3
  
  $i s d e c r e a s e d b y \frac{P e}{Z}$
- 4
  
  remains unchanged

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