The law of acceleration is a fundamental concept in physics that describes the relationship between the force acting on an object and the resulting acceleration of that object. This concept is encapsulated in Newton's second law of motion, which states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Mathematically, this can be expressed as:
This equation shows that the greater the force applied to an object, the greater its resulting acceleration will be, assuming the mass remains constant. Conversely, if the mass of the object increases, its acceleration will decrease for a given force, and vice versa.
Key Concepts
It's important to understand the following key concepts related to the law of acceleration:
Net Force: The net force acting on an object is the vector sum of all the forces acting on it. If the net force is zero, the object will remain at rest or continue to move at a constant velocity (in accordance with Newton's first law of motion).
Mass: The mass of an object is a measure of its inertia and quantifies the amount of matter it contains. Mass is a scalar quantity and is typically measured in kilograms.
From Molecules to Organisms: Structures and Processes
Students who demonstrate understanding can:
Construct a scientific explanation based on evidence for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.