How force, mass, and acceleration work together

Discover how Newton’s Second Law explains particle motion and energy transfer in radiation therapy.

Newton’s Second Law tells us how force, mass, and acceleration are connected. It’s expressed as F = ma, meaning the force on an object equals its mass multiplied by its acceleration.

If you apply the same force to two objects of different masses, the lighter one accelerates more. That’s why a small electron responds much more quickly to an electric field than a heavy ion does.

In radiation therapy, this principle helps explain how charged particles behave when accelerated by electric fields inside the treatment head. The relationship between force, mass, and acceleration determines how particles gain energy and ultimately how the beam is shaped and delivered.

Understanding this connection gives you a clearer picture of how forces control motion and energy transfer in radiation therapy systems.

Best,
Sara