In the race to change velocity the fastest, can man-made objects outstrip nature's fastest accelerators?
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The rate of change of velocity with time, measured in metres per second squared.
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Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Journey through a rollercoaster ride to find out which forces are at work to create this theme-park thrill. Physics - Forces - Learning Points. Rollercoasters do not have engines. Rollercoasters use forces. Electromagnets are used along...

Learn how Formula 1 engineers have managed to recapture 'lost' energy to power their cars and win races. Physics - Energy And Radioactivity - Learning Points. Car brakes lose a massive amount of energy as heat. Acceleration and...

Chart G-Force up the scale, from standing still to the greatest G-force ever.
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Changes in acceleration pose an extreme risk for fighter pilots. Find out how they train to avoid blacking-out during flights. Physics - Forces - Learning Points. Fighter pilots undergo training to allow them to cope with G-force....

Isaac Newton's Laws of Motion explain how and why objects move as they do - the principles which underlie all of modern mechanics. Physics - Forces - Learning Points. Sir Isaac Newton published his laws of motion in 1687. Every movement...

We use a Hero's engine model to show how equal and opposite forces can cause propulsion. Two holes are pierced in a metal bottle and some water is added. This is suspended above a Bunsen burner, and as the water boils and leaves the...

We use eggs to show how different rates of deceleration affect the outcome of collisions. One egg is dropped onto a hard surface and breaks. The second egg is dropped onto a soft surface and bounces, as the material slows its...

Discover how speed, velocity and acceleration are interlinked but very different measurements of motion. Physics - Forces - Learning Points. The velocity and acceleration of any moving object can be calculated. Speed is the distance...

Newton's development of calculus, and how this changed the way we describe the world. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in...

The process of pushing or moving an object forwards. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...

Find out how the lack of air resistance within the vacuum of space is an important factor in space exploration.
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Fascinating insight into the sonic boom created when a jet plane breaks the sound barrier.
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This section of Kinematics AP Physics review, we focus on motion graphs in physics. We explore how the slope of a position versus time graph represents velocity, while the slope of a velocity versus time graph represents acceleration....

This review of Unit 1: Kinematics for AP Physics 1, we cover essential topics such as significant figures, conversions, vectors and scalars, and key kinematic equations. It emphasizes the importance of understanding vector quantities...

This review of circular motion explains key concepts such as tangential velocity, centripetal acceleration, and how objects move in circular paths. Tangential velocity is always perpendicular to the radius, while centripetal...

This section, we explain the concept of relative motion, emphasizing that the motion of an object depends on the observer's frame of reference. In AP Physics 1, relative motion is limited to one dimension. A common example involves two...

Einstein suggested that objects aren’t pulled by massive objects, but rather pushed down by the space above them. According to General Relativity, matter warps the fabric of not only space but time as well, collectively known as the...

Dive into the science behind roller coasters, exploring how friction and acceleration play crucial roles. Understand how friction converts energy into heat, impacting the coaster's motion, and learn how acceleration, influenced by...

Unpack the forces that propel rockets beyond Earth's atmosphere. This segment breaks down the concepts of thrust, weight, and drag, explaining their interplay in achieving successful rocket launches. Learn how engineers optimize rocket...

Dive into the basics of rocket science, exploring the fundamental physics principles that enable rockets to defy gravity and soar into space. Discover how Newton's laws of motion play a critical role in rocket engineering and launch...

Step into the exciting world of roller coasters and learn how they blend physics with fun to deliver thrilling experiences safely. This video takes you behind the scenes to uncover how roller coasters are designed to maximize...

Dr. Forrester explains Newton’s Third Law of Motion.