A spring balance is calibrated in an environment at a temperature of 35oC and has the following deflection/load characteristics    Load (Kg) 0   7 Deflection(mm) 0    22   It is used in an environment at a temperature of 55oC and the following deflection/ load characteristics.   Load (Kg) 0  3 Deflection(mm) 7.5    29   Determine zero drift per oC and sensitivity drift per oC change in ambient temperature.     1) sensitivity at 35oC ? 2) sensitivity at 55oC ? 3) SENSITIVITY DRIFT ? 4) SENSITIVITY DRIFT/oC ? 5) ZERO DRIFT ? 6) ZERO DRIFT/oC ?

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Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.