A 5 kg block is pulled with a force of 20 N on a frictionless surface. What is its acceleration?
Q1. A 5 kg block is pulled with a force of 20 N on a frictionless surface. What is its acceleration?
Answer: 4 m/s²
Explanation: F = ma, so a = F/m = 20/5 = 4 m/s², applying Newton's second law.