MOVIMENTO UNIFORMEMENTE VARIADO - (MUV)

Eureka Matemática
6 Oct 202017:13

Summary

TLDRThis educational video explains the concept of Uniformly Varied Motion (MUV), focusing on how objects move with constant acceleration. The instructor introduces key equations for solving MUV problems: displacement (Sorvetão), velocity (Boate), and the Torricelli equation, each with its unique application. Through a practical example of a car braking and coming to a stop, the video demonstrates how to calculate the time it takes for the car to stop and the distance traveled. The clear explanations and relatable mnemonics help students grasp the concepts and apply them in various exercises.

Takeaways

  • 😀 Uniformly varied motion (MUV) refers to motion with constant acceleration.
  • 😀 The acceleration in uniformly varied motion does not change over time, leading to a constant rate of increase in velocity.
  • 😀 A classic example involves an object starting at 0 m/s and increasing its speed by 3 m/s every second, resulting in an acceleration of 3 m/s².
  • 😀 The 'Sorvetão' equation describes the displacement in uniformly varied motion: S = S₀ + V₀ * t + (a * t²)/2.
  • 😀 The 'Boate' equation relates final velocity to initial velocity, acceleration, and time: V = V₀ + a * t.
  • 😀 The 'Torricelli' equation is useful for problems where time is not available: V² = V₀² + 2a * ΔS.
  • 😀 Deceleration is represented by a negative acceleration in problems where an object is slowing down, as shown in the car braking example.
  • 😀 To solve for time in a deceleration problem, use the Boate equation and solve for t: t = (V - V₀) / a.
  • 😀 Displacement during braking can be found using either the Sorvetão equation or the Torricelli equation, both of which provide the same result for the displacement.
  • 😀 In the car braking example, the car decelerates from 20 m/s to 0 m/s with a deceleration of 5 m/s², and the displacement during braking is 40 meters.
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Related Tags
Physics EducationUniform MotionAccelerationExam PrepStudent LearningInteractive ExamplesVelocity CalculationsTorricelli's EquationProblem SolvingHigh School Science