While mass measures, how much matter is present in an object. Weight measures how strongly an object is pulled due to gravity. These two terms are often encountered by us in our day to day life. Whenever we discuss the weight of the body, we actually talk about its mass, but these two are not synonyms, in fact, these two are different notions. Due to the lack of knowledge people use the two interchangeably, which is incorrect, as mass is the fundamental property of matter whereas weight is … [Read more...]
Difference Between Scalar and Vector Quantity
Scalar quantity refers to the quantity, which has only magnitude and no direction. On the other hand, vector quantity implies the physical quantity which comprises of both magnitude and direction. Physics is a science based on mathematics. While studying physics, we go through a number of concepts and notions, which rely on mathematics. The mathematical quantities explaining the motion of a body are bifurcated into two groups, i.e. scalar quantity and vector quantity. For a layperson, the … [Read more...]
Difference Between Distance and Displacement
In physics, distance and displacement are used to indicate the length between two points. However, these two are not one and the same thing. While distance is the length of the actual path between two locations, displacement, on the other hand, is the length of the shortest path between two locations. So, the distance tells us, how much path is traveled by the body, during motion and the displacement gives us an idea of how far the body is from its starting point, and that too in which … [Read more...]
Difference Between Heat and Temperature
The concept of heat and temperature are studied together in science, which is somewhat related but not alike. The terms are very common, due to their wide usage in our day to day life. There exist a fine line which demarcates heat from temperature, in the sense that heat is thought of, as a form of energy, but the temperature is a measure of energy. The fundamental difference between heat and temperature is slight but significant, heat is the overall energy of the molecular motion, whereas … [Read more...]
Difference Between Force and Pressure
Force and Pressure are the two important concepts of physics which are often erroneously interchanged by the people. But, these two are not same at all, as there is a vast difference between force and pressure, which you are going to understand only if you learn about them. Do you ever observe, what makes a football move? Or What makes a drawer open? This is because we apply force on the object. Force is nothing but the push or pull, which changes the state of motion or direction of the … [Read more...]
Difference Between Speed and Velocity
Have you ever wondered, why different objects travel the same distance, taking different amounts of time? This is because some objects are faster than others. You can calculate the rate of motion of a body, by determining the distance covered by an object in a given interval of time, i.e. speed. The term 'speed' is often misconstrued with the 'velocity', because of having similar applications. However, these two are very different concepts of motion, in physics. Velocity measures the distance … [Read more...]
Difference Between Rotation and Revolution
The motion along a curved path is termed as circular motion, like the orbital motion of planets, ice skater, blades of the fan, gears, amusement park rides, etc. The two fundamental concepts which are studied in circular motion are rotation and revolution. While rotation means the movement in circle round an axis, revolution is when an object moves in a circular path around another object or center. Many people often misinterpret these two concepts as they think that these two are same. But … [Read more...]
Difference Between Rows and Columns
When data is collected, in bulk and assembled by the researcher, then the next step to the data preparation process is to arrange it in a concise and logical manner, called tabulation. It is a set of facts and figures which are presented in an organised way in rows and columns. While rows are meant to run horizontally, columns are drawn vertically. People often misconstrue rows for columns, as they are used in the matrix, spreadsheets and classroom settings too, for the purpose of bifurcating … [Read more...]
Difference Between Accuracy and Precision
To a layperson accuracy and precision are synonyms, but to a person involved in measurement, these two convey different meanings. While accuracy is 'the state of being correct', precision is 'the state of being exact', people commonly misconstrue the two terms. Accuracy symbolizes the extent of conformity, whereas Precision indicates the extent of reproducibility. At the time of taking measurements, these two are always taken into account, due to their utmost importance in the various … [Read more...]
Difference Between Data and Information
Research process starts with the collection of data, which plays a significant role in the statistical analysis. We quite commonly use the term 'data' in the different context. However, in general, it indicates the facts or statistics gathered by the researcher for analysis in their original form. When the data is processed and transformed in such a way that it becomes useful to the users, it is known as 'information'. While data is an unsystematic fact or detail about something, information … [Read more...]
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