Introduction to Dynamics
Dynamics is the branch of mechanics concerned with the study of motion. It describes how objects move under the influence of forces. This section will cover the fundamental principles of dynamics, including Newton's Laws of Motion, work, energy, and momentum.
Newton's First Law - Inertia
An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. This is known as inertia.
Explore the concept of inertia with this interactive simulation:
Interactive Inertia SimulationNewton's Second Law - F = ma
The net force acting on an object is equal to the product of its mass and its acceleration. F = ma. This law is the cornerstone of dynamics.
Experiment with different forces and masses:
Interactive Newtons' Second LawNewton's Third Law - Action and Reaction
For every action, there is an equal and opposite reaction.
Consider the forces involved in a rocket launch:
Interactive Newtons' Third LawWork and Energy
Work is done when a force causes displacement. Energy is the capacity to do work. Potential and Kinetic energy are key concepts.
Interactive Work and EnergyMomentum and Impulse
Momentum is a measure of an object's motion. Impulse is the change in momentum.
Interactive Momentum and Impulse