In the sweltering summer of 2019, nineteen-year-old Emilia Sánchez found herself repeating Introductory Physics at the Universidad Metropolitana. She had failed it once already, drowning in vectors and free-body diagrams. Her professor, the stern Dr. Mendoza, had only one piece of advice: “Get the Pérez Montiel. Not the PDF. The physical book. The 6th edition. The fixed one.”
Emilia didn’t understand what “fixed” meant until she scraped together her last pesos and bought the heavy, glossy-covered Física General by Héctor Pérez Montiel, Editorial Patria, 6ª edición, 2018. On page iii, a small note read: “Corregida y aumentada – Errores de la 5ª edición han sido rectificados.”
She opened to Chapter 3: Movimiento en dos dimensiones. The previous edition had a notorious mistake in Example 3.7 — a projectile problem where the launch angle was swapped with the final velocity component, leading generations of students to wrong answers. The “fixed” edition corrected it. But Emilia didn’t know that yet. In the sweltering summer of 2019, nineteen-year-old Emilia
El texto está alineado con las directrices de la SEP (Secretaría de Educación Pública) en México y marcos de competencias genéricas y disciplinares. No se busca solo que el alumno "sepa física", sino que desarrolle la capacidad de resolver problemas, analizar datos y argumentar científicamente.
| Feature | 4th Edition (2004) | 5th Edition (2010) | 6th Fixed (2018) | |---------|--------------------|--------------------|------------------| | Color diagrams | No | Partial | Full color | | SI units emphasis | Basic | Updated | ISO compliant | | Online resources | CD-ROM | Basic website | QR codes + website | | Errata corrections | N/A | Minor | Comprehensive | | Price (new) | Out of print | ~$40 USD | ~$55 USD | Using an uncorrected 6th edition can be a nightmare
The 6th fixed is the clear winner for modern classrooms, especially if you take online quizzes or use digital homework platforms.
Using an uncorrected 6th edition can be a nightmare. Imagine spending two hours solving a complex inclined plane problem, only to check the back of the book and find a wrong answer. You might think you failed, when in fact the book failed. Student testimonial: “After switching to the fixed 6th
The fixed version eliminates this frustration. Verified by user forums (like Foro de Física en Rincón del Vago and YouTube community channels), the corrected reprint has:
Student testimonial: “After switching to the fixed 6th edition, my quiz scores improved because I wasn’t second-guessing the textbook’s typos. The thermodynamics chapter finally made sense.” – María F., engineering student, UNAM.