A 10 kg block is moving on a frictionless surface. What is its acceleration if a 20 N force is applied?
Q1. A 10 kg block is moving on a frictionless surface. What is its acceleration if a 20 N force is applied?
Answer: 2 m/s²
Explanation: F = ma, so a = F/m = 20/10 = 2 m/s², applying Newton's second law.