1. Net Force: A greater net force applied to an object results in a greater acceleration. This is directly proportional, meaning if you double the force, you double the acceleration. Think of pushing a shopping cart – the harder you push (more force), the faster it speeds up (more acceleration).
2. Mass: The more massive an object is, the less it will accelerate under a given force. This is inversely proportional, meaning if you double the mass, you halve the acceleration. Consider pushing a car versus pushing a bicycle – the car, with its much larger mass, will accelerate much slower even with the same force applied.
These two factors are combined in Newton's Second Law of Motion:
Force (F) = Mass (m) * Acceleration (a)
