Mass is a tricky concept. We all think we know what it is: it's what you measure when you put something on weighing scales or a digital balance. Alternatively, you could say mass is the property of an object that resists changes to its movement. In other words, an object with lots of mass is … Continue reading What is mass?
Newton’s First Law
One of the most common misconceptions in GCSE Physics is that a force is needed to keep an object moving. In fact, a force is only needed to produce a change an object’s movement. This fact is Newton’s First Law of Motion, which is sometimes known as the Law of Inertia. Inertia is the tendency … Continue reading Newton’s First Law
Mr Tarrant's physbang 'blog 