Back to Physics in Simulations
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Newton's Laws of Motion
Sir Isaac Newton came up with three laws that are the foundation of classical mechanics. They are essential for creating realistic physics in games and simulations.
1. **First Law (Inertia):** An object will stay still, or keep moving at a constant speed in a straight line, unless a force acts on it. (An object in motion stays in motion).
2. **Second Law (F=ma):** The force acting on an object is equal to the mass of that object times its acceleration (Force = mass × acceleration). This is the most important law for simulations. It tells you how much an object's velocity changes when you apply a force like gravity or a push.
3. **Third Law (Action-Reaction):** For every action, there is an equal and opposite reaction. When you push on a wall, the wall pushes back on you with the same force. When a rocket pushes gas out, the gas pushes the rocket forward.
1. **First Law (Inertia):** An object will stay still, or keep moving at a constant speed in a straight line, unless a force acts on it. (An object in motion stays in motion).
2. **Second Law (F=ma):** The force acting on an object is equal to the mass of that object times its acceleration (Force = mass × acceleration). This is the most important law for simulations. It tells you how much an object's velocity changes when you apply a force like gravity or a push.
3. **Third Law (Action-Reaction):** For every action, there is an equal and opposite reaction. When you push on a wall, the wall pushes back on you with the same force. When a rocket pushes gas out, the gas pushes the rocket forward.
Simple Function
Complete the function to take two numbers and return their sum.