绝对静止流体的静力学基本方程为

1. A

   $\rho\boldsymbol{F}=\operatorname{grad}p$

   正确
2. B

   $\rho\boldsymbol{F}=\operatorname{div}p$

3. C

   $\operatorname{grad}p=0$

4. D

   $\rho\frac{d\boldsymbol{v}}{dt}=\operatorname{grad}p$