Solving numericals definitely requires knowledge and skills which can only be acquired by diligent practice. But, the correct approach to solve a numerical problem plays a more important role besides ...

Everyone already uses computers in physics. At the very least, students use handheld calculators (I doubt anyone is still using a slide-rule calculator). Also, it's becoming more common to have ...

It's near the start of a new semester of physics. Many faculty are working on their plans for introductory physics courses. How many tests should there be? What about homework? Do I want to cover ...