Learn direction of gravitational force, tension, spring and normal contact force. Practice examples of tension in a pulley system and normal force on an incline.
Case I :- Stationary body of any shape placed on horizontal surface
Case II :- Moving body of any shape
Important Note
Case III :- Stationary or moving body on any surface (other than horizontal surface)
NOTE: When two bodies are curved, then the normal contact force is perpendicular to the common tangent.
A Towards right
B Towards left
C Upward
D Downward