Let C Be the Curve Described By $\vec { r } ( t )$

True/False

Let C be the curve described by $\vec { r } ( t )$ .If the angle between $\vec { F } ( t )$ and $\vec { r } ^ { \prime } ( t )$ is less than $\pi$ /2, then $\int _ { C } \vec { F } \cdot \overline { d r } \geq 0$