Energy
Energy is needed to any useful job of work. This means if something is capable of helping you do some work it must have energy eg a wound up spring or a piece of coal coal. Energy is measured in … Continue reading →
Tag Archives: Friction
Forces
A force is any kind of PUSH or PULL. The unit of force is the newton (N). A force can be measured using an instrument called a force meter (sometimes called a newton meter or spring balance) Using a force … Continue reading →