A heavy crate rests motionless on a horizontal floor. Which mathematical condition must be satisfied for the translational equilibrium of the crate?
Q1. A heavy crate rests motionless on a horizontal floor. Which mathematical condition must be satisfied for the translational equilibrium of the crate?
Answer: ΣF = 0
Explanation: Static equilibrium requires the vector sum of all forces to be zero. Option D is incorrect because it only considers one dimension.