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Part B: Newton's 2nd Law of Motion Isaac Newton observed that the greater the mass of an object, the more it resists changes in its motion. He concluded that the mass and inertia of the object are directly proportional: when the mass increases, the inertia also increases. This leads us to the scientific model of Newton's 2nd law of motion, an expression that relates how the velocity (acceleration) of an object will change based on its mass and the net force applied to the object. A mathematical way of writing this law is illustrated with the following formula: ΣF = ma In which, ΣF is the sum of all the forces that act on the object in that dimension (also known as Net force), m is its mass, and a is its acceleration. Investigation Question: What happens to the acceleration when the total mass of the system is increased in each case?

          Part B: Newton's 2nd Law of Motion
Isaac Newton observed that the greater the mass of an object, the more it resists changes in its motion. He concluded that the mass and inertia of the object are directly proportional: when the mass increases, the inertia also increases. This leads us to the scientific model of Newton's 2nd law of motion, an expression that relates how the velocity (acceleration) of an object will change based on its mass and the net force applied to the object. A mathematical way of writing this law is illustrated with the following formula: ΣF = ma
In which, ΣF is the sum of all the forces that act on the object in that dimension (also known as Net force), m is its mass, and a is its acceleration.

Investigation Question: What happens to the acceleration when the total mass of the system is increased in each case?

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