The Complete Physics Course - Learn Science the easy way!

Begin each unit by mastering the math skills essential to solve physics problems, preventing errors from math gaps and strengthening your understanding of physics concepts.

Explore the basics of physics by comparing the US customary and metric systems and practicing unit conversions.

Explore ancient measures using fingers, hands, and arms before standard tools, and how eyesight differences hindered agreement; see how the pharaoh set standards and today's two measurement systems.

Explore which system is better—the metric system or the U.S. system—and learn how we compare them during unit conversions.

Download the worksheet, print it, and practice the problems with me, starting with the first four and progressing to multi-step challenges to truly master physics concepts.

Practice unit conversions by canceling units to convert feet to meters. Convert seconds to hours and meters per second to miles per hour using standard factors.

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Begin with an introduction to vectors and scalars, laying the groundwork for understanding fundamental physics concepts. Apply clear definitions to build a solid problem-solving foundation.

Learn how vector notation uses arrows to represent vectors, with arrow length signaling magnitude; compare short and long arrows to understand small versus large magnitudes.

Explore why we study vectors by analyzing tension forces and equilibrium on objects, and dissect gravity and force components using angles and trigonometry.

Learn to add vectors by displacing a dot with vectors v, w, and u to form the resultant x, then repeat with y and z to reinforce displacement concepts.

Explore negative vectors and their direction by visualizing how swapping the head and tail of vectors such as x, y, and z yields their negatives.

Practice adding, subtracting, and scaling vectors to compute the resultant vector. Note how subtraction and scaling change the result and that order matters for these operations.

Download and print the worksheet, then practice applying scaling factors, scaling vectors, and performing vector addition and subtraction to reinforce physics concepts.

Practice scaling vectors, and adding and subtracting vectors using A, B, C, and D to understand resultant vectors such as R1, R2, and R3.

Master algebraic techniques in geometry to solve for x using cross-multiplication, division, and simplifying, then apply a quicker swapping method to streamline trigonometry problems.

Explore how trigonometry uses the Pythagorean theorem to solve right triangles, with a and b as legs and c as the hypotenuse, yielding x = 5.

Discover why trigonometry matters in physics by resolving vectors into right and upwards components using magnitude and direction.

Identify triangle parts and apply sine, cosine, or tangent to solve X. Use a reference angle to relate opposite, adjacent, and hypotenuse with examples.

Print the attached worksheet download and work along with me across multiple pages to reinforce physics concepts in the complete physics course.

Explore exponents by showing how powers express repeated multiplication, like 3 squared and 5 cubed, and how ten to a power moves the decimal to yield 60, 600, and 6000.

Explore scientific notation by conceptually understanding how scaling the decimal relates to positive and negative exponents, and grasp why numbers must stay between one and ten.

Convert standard notation to scientific notation by moving the decimal until the mantissa lies between one and ten, and use ten to the appropriate exponent to reflect size.

Download and print the attached worksheet and answer key to practice converting between scientific notation and standard notation; revisit the videos for clearer explanations.

Review the metric system, vectors and scalars, and standard and scientific notation through practice problems, unit conversions, and a complex 15 ft/s to km/h conversion.

Explore how to plot position versus time and velocity versus time, using a concise introduction to motion diagrams to prepare for the next topic.

Explore motion diagrams as visual representations of motion by plotting the position of a moving object at specific times.

Plot a position versus time graph from a home to the grocery store and friend's house, compute velocities, and map them onto a velocity versus time graph.

Define segments on a position versus time graph and apply the slope formula to compute velocities for each segment.

Define velocity as the change in position over time, illustrated by a 25 mph speed limit and examples like 25 miles per hour and 4 meters per minute.

Calculate velocity for segment three by changing initial and final positions, plug in numbers (Yf=40, Y=60, xf=35, xi=25) to obtain a slope of -2 meters per minute.

Plot a velocity versus time graph by plotting constant, zero, and negative velocities for each segment, and interpret the resulting motion diagrams.

Explore motion diagrams through a self-guided practice problem, depicting jogging back 40 meters past home (zero reference) with an accompanying answer key and resources for comparison.

Delve into deriving the kinematic equations and understand how they originate, an intro that explains a complex process often skipped by teachers, offering insight into the formulas.

Derive the two average velocity formulas from kinematics, using change in position over time and the alternative (v_i+v_f)/2 method for x-axis motion.

Derive the third kinematic equation xF = xI + 1/2(vI + vF) Δt by equating formulas, multiplying by Δt, adding v terms, and rearranging.

Derive the acceleration formula by examining the slope of velocity over time, showing acceleration as the change in velocity over a time interval Δt, including initial and final velocity.

Derive the kinematic formula for final velocity by isolating it, adding the initial velocity to both sides, and multiplying by delta t.

Derive the x_f = x_i + v_i Δt + 1/2 a Δt^2 formula by substituting v_f = v_i + a Δt and simplifying.

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Explain the kinematic variables—position, velocity, acceleration, and time—and highlight varying notations for initial and final values, with delta representing change and final minus initial.

Work through the provided formulas and guided problems together, building confidence as we tackle complex physics problems; a separate practice worksheet is available for solo work.

Identify and understand physics quantities—position, velocity, acceleration, and time—and their units: meters, meters per second, meters per second squared, and seconds.

Compute the sun-earth distance by applying the average speed of light over 498 seconds, using V = (F - Xi) / Delta T, with initial position zero.

Compute the runner's average velocity using the initial and final positions over a 3 second interval, giving -6.5 m/s and indicating backward direction.

Calculate how far a cyclist travels in 2.5 hours at 18 kilometres per hour on a straight road, with initial position zero, yielding a final position of 45 kilometres.

Apply constant-acceleration kinematics to a dragster starting from rest, using v^2 = 2 a x to find final speed after 25 m, yielding 8.6 m/s.

Use the process of elimination to discard formulas with delta t, since the time interval is unknown, and solve for x using the viable equations for average velocity.

Drop delta t from the formulas when solving for x, and show how subtracting two and dividing by five isolates x, illustrating why two unknowns prevent a solution.

A car accelerates uniformly from rest to 18 m/s in 6.5 seconds, and we determine the distance traveled during this interval using constant-acceleration relations.

Congratulate students on completing the course and invite a review, rating, and feedback to guide teaching style and address questions.

Determine how far a cyclist travels from rest to 7 m/s under an average acceleration of 0.5 meters per second squared, using a kinematics equation to yield 49 meters.

Compute the braking distance when Maggie slows uniformly from 15 m/s to 0 m/s in 2.5 seconds, determining meters before the stop sign.

Solve the braking problem by calculating the bus's average acceleration from 24 m/s to 0 m/s over 3 seconds, yielding -8 m/s^2 as deceleration.

Explore velocity and acceleration through car examples, clarifying when velocity or acceleration is zero and that acceleration is the change in velocity, from 0 to 60 miles an hour.

Tackle worksheet #2 on kinematics by systematically filling out all given information and solving each problem, then compare with the attached answer key to reinforce memorization.

Explore the new topic of free fall with an engaging introduction that outlines the fundamentals and sets the stage for learning physics.

Explore free-fall concepts through a concise two-page reading assignment and a fill-in-the-blank worksheet, with an answer key to check your work.

Set up a drop experiment to calculate acceleration. Use a 1.5-meter height, initial velocity zero, and stopwatch timing for the elapsed time until impact.

Conduct an experiment to measure acceleration by dropping a 1.5-meter object, timing with a stopwatch, applying kinematic formulas, and comparing different weights across multiple trials to reduce error.

Predict which weight hits the ground first when dropping a 40-pound weight and a 15-pound weight, and test the intuition that heavier objects fall first due to greater downward force.

two weights of 40 and 15 pounds hit the ground at the same time, showing they accelerate at the same rate; moving faster would imply a different acceleration and timing.

This lecture demonstrates that mass does not affect the drop results, explains air resistance, and shows using a book to calculate acceleration in the experiment.

Explore air resistance by dropping a book with a paper on top in a simple at-home experiment, and predict whether they land together or if the book hits first.

Convert 1.5 meters to feet and inches, showing it equals 4 feet 11 inches, then conduct a six-trial drop experiment to note the times for each drop.

Conduct the drop experiment by releasing a textbook from various heights to measure acceleration across multiple trials. Predetermine the sample size and any outlier exclusions, then compute the average.

Our experiment is fully set up, we have all the information we need, and we decide which economic formula to use, excluding the final velocity.

Calculate acceleration from the equation, compare with negative nine point eight meters per second squared, and note how measurement error and sample size affect accuracy.