Speed
Speed is a Scalar Quantity. Speed denotes how fast an object moving. Its value shows how much distance an object covers for a particular...
I've got a question...!
A lot of people have been wondering about how does one ask a question. This article is basically a simple tutorial on how to ask a...
Brownian Motion
"Particles move around all the time." This is a statement we pretty much hear all the time, but where did it first come from? A long...
Density
Take 1 L of molten lead and 1 L of water and weigh them and you will find the litre of molten lead weighs much heavier. Take 1 mL of...
Volume
Volume is how much space an object takes up. Common units include litres (L), millilitres (mL), and cubic metres (cm^3). We commonly use...
Pressure
Why can camels still stand on sand without sinking despite their weight? Why don't we sink into the snow when we are skiing? That's...
Weight
This is going to be a short article but make sure you understand Newton's Second Law first. Weight is actually a force - but we don't use...
Newton's Second Law (Forces)
Newton's second law states that force is equivalent to to mass times acceleration. In other words, F=ma That's it! However, the...
Scalars and Vector
Scalars only represents magnitude, or the size of it, and this can be described by a number. Vectors have both direction and magnitude,...
Force (Introduction)
A force is an interaction between objects. What can forces do? It can change its speed, cause it to move, stop, change shape, push, pull...
