What Are the 4 Equations of Motion in Physics? Explained
Learn the 4 key equations of motion describing velocity, displacement, acceleration, and time in physics with clear definitions and formulas.
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The 4 equations of motion are foundational in physics for describing the motion of objects. They include: (1) v = u + at, (2) s = ut + 0.5at², (3) v² = u² + 2as, and (4) s = (u + v)/2 * t, where u is initial velocity, v is final velocity, a is acceleration, t is time, and s is displacement.
FAQs & Answers
- What are the 4 equations of motion used for? The 4 equations of motion are used to calculate an object's velocity, displacement, acceleration, and time during uniformly accelerated linear motion.
- What does each symbol in the equations of motion represent? In the equations, u is the initial velocity, v is the final velocity, a is the acceleration, t is the time elapsed, and s is the displacement.
- Can the equations of motion be applied to all types of motion? The 4 equations of motion apply specifically to linear motion with constant acceleration and may not be accurate for non-uniform or rotational motion.