A moving object doesn’t always have a force in the same direction as its motion. Learn why with this simple hockey puck example and deepen your understanding of Newton’s laws.

Learn about inertia and its role in resisting changes in motion. Discover how mass relates to inertia and why it's crucial in understanding an object's behavior.

Showing relative motion of two cars from the sky!

Short video describing acceleration - for middle school

In a poll of the 50 of the most respected scientists, only one man was on every list at or near the top - Greatest scientist of all time. The birth of physics starts: Isaac Newton had many...

Explore how a satellite’s kinetic and potential energy change as it orbits Earth—yet its total mechanical energy stays constant. Learn why speed depends solely on orbital radius, why mass doesn’t matter, and how all this ties into...

Explore the concept of escape velocity with Zog, an alien explorer, as he navigates the gravitational challenges of Planet Xyronis. This engaging story teaches about kinetic energy, gravitational potential energy, and the formula for...

Howcast - Learn how to chronograph a paintball gun from paintball pro Mike "Pev" Peverill in this Howcast video.

Howcast - Learn the difference between compressed air and CO2 or carbon dioxide from paintball pro Mike "Pev" Peverill in this Howcast video.

Understanding how velocity is calculated is essential if you are to grasp the laws of physics. Learn the calculations necessary to figure it out.

Fly head first exceeding speeds over 100mph on this extreme adventure in the Snowdonia Mountains in Wales.

This content introduces a physics problem concerning the time-dependent position vector of an electron. It explains that the given vector equation, r=3Ti−4T2j+2k, allows for the calculation of the electron's position in 3D space at any...

This content outlines a strategy to solve a physics problem involving two cars moving towards each other, where one car has constant velocity and the other has constant acceleration. It explains how to determine the initial velocity and...

This content outlines how to analyze the one-dimensional motion of a particle by deriving its velocity and acceleration functions from a given position-time equation. It demonstrates the use of differentiation to calculate the particle's...

This content provides a detailed analysis of a projectile motion problem, using the scenario of an "angry bird" passing over two posts. It demonstrates how to determine the time of flight to reach a specific height using vertical...

This content provides a conceptual understanding of average velocity for a particle moving along a semicircular path. It emphasizes that average velocity is calculated based on displacement (the straight-line distance between start and...

This content outlines a two-phase approach to analyze a parachutist's descent: an initial period of free fall followed by a phase of deceleration after parachute deployment. It explains how to calculate the time spent in the air and the...

This content addresses a physics problem focused on the vertical motion of a thrown ball. It outlines how to determine both the time to reach maximum height and the maximum height achieved by the ball, by applying kinematic equations and...

Discover the fundamental reason why centripetal force always acts perpendicular to an object's velocity in circular motion. This video uses a clear visual example to illustrate this key physics concept.

This content outlines a solution strategy for a physics problem involving two particles moving along the x-axis with different kinematic descriptions. It explains how to determine their velocities by differentiating position (for...

This content addresses a physics problem focused on one-dimensional motion with constant retardation. It outlines how to calculate the specific distance covered by a particle during the third second of its motion, given its initial...

This content tackles a physics problem involving an object in free fall, specifically a pipe wrench. It outlines how to calculate the initial height from which the wrench was dropped and the duration of its fall using standard kinematic...

This content outlines a two-phase approach to analyze the motion of a car that first accelerates from rest and then decelerates to a stop. It details how to calculate the time taken and distance covered in each phase, using kinematic...

This content details the analysis of a bomb's projectile motion released from a diving aircraft. It explains how to determine the time the bomb remains in the air and the initial height of release by breaking down the aircraft's initial...