What do scales measure?
What do scales measure? The obvious answer is kilograms (or grams). That is what the reading on the scale indicates. However this is not what the scale is measuring. It actually measures force,...
Learning Physics with Professor Mac Blog
The force of attraction – Gravity
I’m working on the animation of Professor Mac demonstrating gravity. In the image above the gravity force acting on him is shown by the big red arrow and this is the force of...
Modelling dropping apples using Blender
Dropping apples is fun! I’m still working on my video which will explain Newton’s law of universal gravitation. As I write this I can hear my computer rendering the first sequence of...
Revision Notes for Newton’s First Law of Motion
I am pleased to have released the first of Professor Mac’s revision notes. These are available for Android, iOS, Kindle Fire devices and PC. The revision notes are in Kindle format,...
Designing a Launch Pad
I’m still in the process of preparing the assets for my new video which will explain the concept of Gravity. Assets are computer models of objects which you would find in the real world...
Gravity with a Space Shuttle
I’ve been busy over the summer months preparing the assets for my new video which will explain gravity. It will take some months yet to have it ready for release but I...
What is Force?
My video explaining force is now available. In it I explain the concept of force and the effect forces have on objects through a series of high quality animated experiments. Force...
When the bag fails
Oops this is what happens when a bag holding a lot of apples fails – they fall to the ground with a loud bang. In my new video explaining force I have...