To improve your grades in Engineering Mechanics - Statics, focus on developing a strong foundation in vector operations, force systems, and equilibrium principles. Practice solving problems regularly, starting with simple trusses and gradually moving to more complex systems. Visualize the problems by drawing free-body diagrams and use coordinate systems to simplify calculations. Review and master key concepts such as moments, centroids, and friction. Additionally, seek help from instructors or classmates when needed, and utilize online resources or study groups to supplement your learning. By staying consistent and persistent, you'll see improvement in your understanding and grades in Engineering Mechanics - Statics.