Physics with blogger

Motion in one Dimension - acceleration In this time, I will introduce new physical quantity to you. Main character is "acceleration". It has also direction. So it's a vector physical quantity. Figure 2-1 let's check the car's motion again. We've defined above figure by one dimension motion. What is the main object in the motion? What is moving now? Yes. It's the car including the driver. What kind of physical quantity does it have? (1) It has 200 kg mass including him. Mass is a scalar. (2) It has velocity as a vector. The magnitude is 20 m/s, and the direction is ( + ), east or right direction. (3) It has displacement as a vector. The magnitude is 10 ( km ) from his house based. The direction is ( - ), west or left direction. We've discussed about above 3 physical quantities. (4) And especially I assumed that there is no resistances, no refractions. At this case with (1),(2),(3),(4) conditions, now the driver stepped on the gas ...

Motion in one Dimension Hello everyone, Nice to meet you, welcome to my blog for physics. Figure 1 Let's see above Figure 1. Sorry for ugly picture.. I'm not good at drawing. Assume that, A driver is driving his car with 20 (m/s) velocity toward east. The mass of car is 200 (kg) including the driver. The car is on the straight road, and located 10 (Km) distance from his house. Let's assume again that there is no fraction forces, no air resistance, no any kinds of resistances. We will learn about fraction force later, also resistance. For now I'll ignore them. Look into the status of the car. We are focusing on it. It has properties but not important regarding what kind of car, brand and color, etc,,. We are interested in it's physical properties. Exactly speaking, physical quantities. On the Figure 1, I've mentioned 3 physical quantities. One is velocity and another is mass, the other is displacement. There are two kinds of physical quantiti...