Identify the terms corresponding to descriptions A, B, and C: A - The attractive force that every object in the universe exerts on every other object. B - Force acting per unit area of a surface. C - A type of non-contact force.

Which of the following statements is/are NOT correct? I. Force per unit volume is defined as pressure. II. Liquids exert pressure on the walls of their container. III. A force acting on an object can change its state of motion but can never alter its shape.

The effect of thrust on a surface depends on the area on which it acts. Force acting on a smaller area exerts a ___________ compared to a larger area.