Physics Help: Video Lessons & Practice
Step-by-step lessons for every topic. Work through problems, prep for exams, and get unstuck — fast.
Certified-Teacher Concept Videos
Learn the method, not just the answer. Experienced instructors walk you through every physics concept step by step — so you're ready for the next course, not just this exam.
Diagnostic Assessment & Adaptive Practice
A quick diagnostic pinpoints exactly where to focus. Then adaptive practice adjusts to your level so every session builds real physics skills efficiently.
Full Exam Preparation for Midterms & Finals
Practice tests and mock exams mirror your actual physics exams. Watch solutions unlimited times until every concept clicks before test day.
Physics Topics
1. Scalars, Vectors and Motion
2. Kinematics
3. Forces
4. Work and Energy
5. Momentum
6. Equilibrium
7. Circular Motion
8. Gravitation
9. Electrostatics
10. Geometric Optics
Discover Our Learning Areas
Explore key subjects and start learning with interactive content.
What Is University Physics?
University Physics is the foundational science course required for physics, engineering, pre-med, and many natural science programs. It applies calculus to model the behavior of the physical world — from the motion of projectiles to the propagation of electromagnetic waves. Most US universities deliver the content in a two- or three-semester sequence, and performance in these courses directly affects admission to upper-division programs and professional schools.
What Topics Are Covered in University Physics?
The introductory sequence is broad and cumulative. Physics I typically covers kinematics and dynamics (Newton's laws), work, energy, momentum, rotational motion, oscillations, and introductory thermodynamics. Physics II adds electrostatics, electric fields and potential, capacitance, DC and AC circuits, magnetic fields, electromagnetic induction, Maxwell's equations in integral form, and geometric and wave optics. Physics III (where offered) introduces modern physics: special relativity, quantum theory, atomic structure, nuclear physics, and particle concepts. Each topic layer builds directly on the previous one — gaps compound quickly, which is why early and consistent practice matters.
Is University Physics Hard? Where Do Students Struggle?
Physics is routinely cited by undergraduates as one of the most demanding first-year courses, not because the concepts are impossible, but because it demands simultaneous fluency in physical intuition and calculus-based mathematics. The courses that generate the most help requests are Newton's second law in multiple dimensions, energy conservation in systems with multiple objects, rotational inertia and torque, Gauss's Law, Faraday's Law, and — in Physics III — the probabilistic interpretation of quantum mechanics.
The students who improve fastest share one habit: they do not just re-read their notes. They work through fresh practice problems, identify exactly where their reasoning breaks down, and review the conceptual method — not just the numerical answer — before trying again. That process is exactly what StudyPug is designed to support.
How Is University Physics Graded in the US?
In US universities, Physics grades are typically distributed across weekly problem sets or homework (20–30%), two or three midterm exams (40–50%), and a comprehensive final exam (25–35%). Many courses include a required lab component graded separately. Some instructors use online homework platforms such as WebAssign or Mastering Physics. The final exam is cumulative and usually worth the most of any single assessment, which is why mock-exam practice in the final weeks of the semester has an outsized impact on the course grade.
What Comes After University Physics?
The path after the introductory Physics sequence depends on your major. Engineering students typically move into Engineering Mechanics (Statics and Dynamics), Circuits, and Fluid Mechanics. Physics majors advance to Mathematical Methods in Physics, Classical Mechanics, Electrodynamics (Griffiths-level), Thermodynamics and Statistical Mechanics, and Quantum Mechanics. Pre-med and biology students generally complete the two-semester sequence as a terminal requirement. In all cases, the problem-solving skills built in introductory Physics — dimensional analysis, systematic application of conservation laws, drawing free-body and field diagrams — transfer directly into upper-division coursework.
Why StudyPug for University Physics?
StudyPug is built specifically for the way university Physics is actually taught and examined. Three features make the difference:
Diagnostic Assessment. Before you start practicing, a short diagnostic identifies the specific topics where your understanding has gaps. Instead of working through every chapter from the beginning, you focus on what actually needs work — a meaningful efficiency gain when midterm week is approaching.
Certified-Teacher Concept Videos. Every Physics lesson is taught by an experienced, certified instructor — not generated by AI. The videos teach the method: how to set up the problem, which principle applies and why, and where students typically go wrong. That depth of explanation is what prepares you for a question you have never seen before, not just the example from class.
Adaptive Practice. Once you start working through problems, the difficulty adjusts to your performance. If you are getting questions right consistently, the system moves you to more challenging material. If you hit a rough patch, it reinforces the underlying concept before pushing further. The result is practice that stays in the productive zone — not too easy to be useful, not so hard it becomes discouraging.
All Physics courses — Physics I, II, and III — are included in one StudyPug subscription, alongside Calculus I–III, Linear Algebra, Differential Equations, Statistics, and every other university subject. There is no per-course charge and no switching platforms when your schedule changes next semester.
What You Learn: Physics Course Coverage on StudyPug
StudyPug's Physics library covers the full university introductory sequence. Key topic areas include:
- Mechanics: Kinematics in one and two dimensions, Newton's laws, friction, work-energy theorem, conservation of momentum, rotational dynamics, simple harmonic motion.
- Thermodynamics: Temperature and heat, laws of thermodynamics, ideal gas behavior, entropy, heat engines and refrigerators.
- Electromagnetism: Coulomb's law, electric fields and flux, Gauss's law, electric potential, capacitance and dielectrics, DC circuits (Kirchhoff's laws), magnetic force and field, Faraday's law, inductance, Maxwell's equations.
- Waves and Optics: Mechanical waves, sound, superposition, reflection and refraction, interference, diffraction, polarization.
- Modern Physics: Special relativity, photoelectric effect, wave-particle duality, the Bohr model, Schrödinger equation basics, nuclear decay.
Because no validated internal topic URLs are available in the current link map for this page, topic links are omitted here per internal linking doctrine. Browse the full topic library from the Physics course home page.
Using StudyPug to Prepare for Physics Exams
The most effective way to use StudyPug for Physics is to combine the diagnostic, the concept videos, and the practice tests in a structured cycle. Start by running the diagnostic to see where your understanding is weakest. Watch the concept video for that topic — pause, rewind, and replay the steps until the method is clear, not just familiar. Then move to the practice problems for that topic, starting at the difficulty level the adaptive system recommends.
In the two weeks before a midterm or final, switch to mock-exam mode. Work through a full practice test under timed conditions, review every problem you got wrong using the step-by-step video solution, and repeat. This process mimics the exam environment closely enough that the actual test feels familiar rather than novel.
StudyPug is available on any device, so you can watch a solution on your phone between classes, run a practice set on your laptop in the library, or review a concept video on a tablet the night before an exam. Access is continuous — no scheduled sessions, no waiting for office hours. Start your free practice today, backed by a 30-day money-back guarantee.
Physics FAQ
Unsure how StudyPug works? Need help with setting up? Check our frequently asked questions or contact us for help.
What do you learn in university Physics, and what topics does it cover?
University Physics typically covers classical mechanics, kinematics, Newton's laws, work and energy, thermodynamics, waves, optics, electromagnetism, circuits, and — in later courses — modern physics including quantum mechanics and special relativity. Most programs split the content across Physics I (mechanics and thermodynamics), Physics II (electromagnetism and optics), and Physics III (modern physics). The specific sequence varies by institution and major, but all versions build strong problem-solving skills in applying mathematical models to real physical systems.
What is the difference between Physics I and Physics II?
Physics I focuses on classical mechanics — motion, forces, Newton's laws, energy, momentum, and introductory thermodynamics. Physics II shifts to electromagnetism, covering electric fields and forces, Gauss's law, magnetic fields, Faraday's law, AC/DC circuits, and often wave optics. Both courses require calculus, but Physics II introduces more abstract field concepts that many students find harder to visualize. Strong mechanics fundamentals from Physics I directly support the field-theory reasoning needed in Physics II.
What are the prerequisites for university Physics, and what course comes after it?
Most university Physics I courses require Calculus I as a co-requisite or prerequisite, since kinematics and dynamics rely on derivatives and integrals. Physics II typically requires Physics I and Calculus II. After the introductory sequence, students in physics or engineering commonly move on to Modern Physics, Classical Mechanics (advanced), Electrodynamics, Thermodynamics and Statistical Mechanics, and Quantum Mechanics. Pre-med students usually complete the two-semester introductory sequence only, while engineering and physics majors continue into upper-division coursework.
Is university Physics hard, and where do students struggle most?
University Physics is consistently rated one of the most challenging first- and second-year courses. The difficulty comes from applying mathematics to physical intuition simultaneously — most students can follow a lecture but freeze when the problem changes form on an exam. The biggest struggle points are Newton's second law in two dimensions, energy conservation problems with multiple object systems, electric field superposition, and anything involving Faraday's or Ampere's law. Regular practice with varied problem types — not just re-reading notes — is the most reliable way to close these gaps.
How is university Physics assessed — midterms, finals, and assignments?
Most US university Physics courses weight the grade across weekly homework assignments or problem sets (20–30%), two or three midterm exams (40–50%), and a comprehensive final exam (25–35%). Lab sections, if required, often count separately toward the final grade. Some courses include online quizzes through platforms like WebAssign or Mastering Physics. The final is typically cumulative and the highest-stakes assessment. Preparing with full mock exams that simulate timed conditions is the most effective strategy for the final weeks of the semester.
What is one of the hardest topics in university Physics, and how do you approach it?
Electromagnetism — specifically Faraday's Law and electromagnetic induction — is widely considered the hardest topic in the introductory sequence. Students struggle because it requires visualizing changing magnetic flux in three dimensions while applying calculus. The most effective approach: first draw the field and the loop clearly, identify what is changing over time, apply Faraday's Law symbolically before plugging in numbers, and determine the direction of the induced EMF using Lenz's Law as a check. Repeated practice with varied loop geometries — not just memorizing the formula — is what builds genuine competence.
