Step 2: Determine If the gravity exceeds the set point In the megaraffe enclosure and, If so, by how much Now that you know the relationship between the relative height of Xor's head and her cranial blood pressure, you can use the slope of this relationship to calculate gravity. Recall that the slope (a. mmHg/m) depends on the density of blood (d) and the force of gravity (9): a - -1.cdg. where c is a constant that converts the unit of pressure from N m" to mmig; the value of this constant equals 0.0075 mmHg m' N. By inserting the value of c. we can simplify the function: - -1 . 0. 0075 mmHg m' N" . d- g. The density of blood (d) for a megaraffe equals 1025 kg m. By inserting the value of d. we can simplify the function even further: -1 . 0. 0075 mmHg m' N1 - 1025 kg m' - g. Finally, we can rearrange the equation to solve for the force of gravity: g-a / (-1 - 0.0075 mmHg m N - 1025 kg m ). Multiplying the terms in the denominator yields g- a/ -7.6875 mmHg kg N' m" To put this in words, the force of gravity equals the slope (a) that you calculated in Step 1, divided by -76875 mmig kg Ni'm An example of how to calculate gravity Before using your data to calculate the force of gravity in the Sanctuary, let's consider an