Have you ever wondered why you can feel the heat of a hot drink through the cup, or why your ice cream melts outside of the freezer? These are situations that we tend to…
Gravitational fields The famous physicist Isaac Newton discovered that all objects with mass attract one another. We now know that this is due to gravitational forces. These forces are always attractive, meaning that they…
Everything in the universe is made of tiny particles, which include atoms, molecules, and ions. Depending on the arrangement and movement of the particles within a substance, we classify them as one of three…
Kinetic Model of Matter Take a moment to feel the mouse or phone in your hand right now. It may not feel like it is moving, but the molecules inside of it are constantly…
Circular motion is everywhere around us, from the spinning of the wheels on your bicycle to the fans in your living room. Studying the way that objects undergo motion in a circle thus has…
Energy The energy of a system is defined as its ability to do work. The “work” here refers to the precise definition of “work done” in physics, which is the product of the amount…
In everyday life, the terms “work done” and “power” can mean a lot of things. You may say that you “got a lot of work done today” or “that was a very powerful speech”.…
Pressure If you have ever hammered a nail or drank from a straw, you have made use of pressure to accomplish a task. A lot of the technology we use today work based on…
When a force is applied to an object connected to a pivot, it can cause the object to turn about that pivot. This process is referred to as the turning effect or moment of…
