If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then i. a force is required to move the body upwards ii. a force is required to move the body downward iii. the body will not be in equilibrium The correct answer is

• A. only (i)
• B. only (ii)
• C. both (i) and (ii)
• D. both (i) and (iii)

Answer: (C)