human
Question: Four solid balls, each with a different mass, are moving at the same speed. Which ball would require the most force to stop its motion?

Choices:
A) ball with a mass of 5 kg
B) ball with a mass of 10 kg
C) ball with a mass of 15 kg
D) ball with a mass of 20 kg
gpt
The correct answer is 3: ball with a mass of 20 kg.