This video explains Newton's Second Law of Motion, which states that the amount of force applied to an object affects its speed. Using relatable examples such as Tony pushing a car and a bicycle, as well as pushing empty and full...

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...

Discover how gravitational acceleration is calculated near Earth and why your weight changes with altitude, latitude, and Earth’s rotation. This lesson unpacks the physics behind g = a₉ − ω²R and shows how gravity subtly varies across...

Howcast - Learn how to start and stop a car smoothly in this Howcast video with A-Club Driving School.

Howcast - Learn sprinter acceleration drills from sprinting coach Shane Paul Neil in this Howcast video.

Pupil outcome: I can calculate time intervals and acceleration of sections of a speed/time graph. Key learning points: - In a speed-time graph, a horizontal line means the speed did not change during that time. - A slanted line means the...

Pupil outcome: I can interpret non-linear distance-time graphs. Key learning points: - Speed may not always be constant. - Acceleration may not always be constant. - Depending on the variables, multiple graphs can represent the same...

Pupil outcome: I can interpret and draw more real-life graphs. Key learning points: - Not all real-life graphs can be drawn using sections of different linear graphs. - The graphs are models, which means that we want them to be useful.

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...

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 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 solves a physics problem involving two connected blocks under a constant horizontal force, exploring their interactions and motion. Learn to apply Newton's Laws and free body diagrams to calculate acceleration and an unknown...

This content analyzes a physics problem involving a monkey climbing a rope to lift a package, applying Newton's Laws of Motion. Learn to calculate the minimum acceleration required to lift the package and the subsequent acceleration and...

This content explains how to determine the net force acting on a particle when its position is given as a time-dependent function. Learn to use differentiation to find velocity and acceleration, then apply Newton's Second Law to...

Net force and acceleration_newton's second law.mp4

This content analyzes a physics problem involving a ball connected by two strings to a rotating vertical rod, undergoing circular motion. It demonstrates how to calculate the tension in the lower string, the net force on the ball, and...

Learn to calculate the net force on a particle using Newton's Second Law when its position is given as a time-dependent function. This video covers differentiation to find acceleration and apply it in unit vector notation.

This content presents a solved physics problem that calculates the frictional force and acceleration of a 3.5 kg block pushed along a horizontal floor by a 15 N force at a 40° angle to the horizontal. It demonstrates the application of...

This content explains how to calculate the normal force on a box inside an accelerating elevator system using Newton's Laws of Motion. It details how to first determine the system's acceleration from the forces on one cab, then apply...

This content outlines a structured approach to solving a physics problem involving a chain of five links being lifted vertically with constant acceleration. It emphasizes the combined application of Newton's Second and Third Laws of...

This content analyzes the normal force on a driver in a car moving at a constant speed over a circular hill and into a valley. By first using the condition of zero normal force at the top of the hill to determine the centripetal force,...