Learning Path
Question & Answer
Choose the Best Answer
A ball rolling down a hill reaches the bottom in the shortest time possible.
A pendulum swinging back and forth due to gravitational force.
A car accelerating from rest to a maximum speed on a straight road.
A satellite orbiting Earth due to gravitational attraction.
Understanding the Answer
Let's break down why this is correct
When the ball rolls down the hill, it follows a path that takes the least time. Other options are incorrect because A pendulum swings because gravity pulls it back and forth, not because it finds the least action path; A car speeding up does not choose a path that minimizes action.
Key Concepts
Classical Mechanics Principles
medium level question
understand
Deep Dive: Classical Mechanics Principles
Master the fundamentals
Definition
Classical mechanics principles cover Newton's Laws, the Principle of Least Action, Euler-Lagrange equations, and Hamilton's equations. It provides a foundational understanding of the classical state of physical systems and their behavior.
Topic Definition
Classical mechanics principles cover Newton's Laws, the Principle of Least Action, Euler-Lagrange equations, and Hamilton's equations. It provides a foundational understanding of the classical state of physical systems and their behavior.
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