9/27/2023 0 Comments Rectilinear motion![]() To understand this type of exercise you have to be clear about what uniform rectilinear motion is.Īs its name suggests, we speak of uniform straight-line motion when a body, be it a vehicle, an object, an animal, whatever it is, moves in a straight line at a constant speed: Example of Resolved Uniform Rectilinear Motion Exercises.Formulas of the Uniform Rectilinear Motion.Check the full article “can momentum be negative?”. the object is travelling in the negative direction, the momentum will be negative as well. Momentum is a vector quantity that is calculated by multiplying the mass of an item by its velocity. Pressure and temperature, for example, are state functions. What is a state function?Ī state function is a property that depends on the state of a system and is independent of the path taken to get it. Check the full article “can displacement be negative?”. The negative sign just indicates the direction. ![]() Can displacement be negative?ĭisplacement can be negative since it is a vector variable that depends on magnitude and direction. When an item is deformed from its unstressed state, the external work done on it is transformed into (and is considered equivalent to) the strain energy contained in it. Strain energy is a form of potential energy which is stored within materials that have been subjected to strain deformation. What is the potential energy formula?įor the gravitational force, the formula of potential energy equals mgh, where m is the mass in kilograms, g is the gravity acceleration (9.8 m/sec2 at the earth’s surface), and h is the height in meters. ![]() What is the work-energy equation?Īccording to the work-energy theorem, the net work done on an item by forces equals the change in its kinetic energy. Furthermore, there is heat and work-that is, energy in the transmission of energy from one body to another. It can take many forms, including potential, kinetic, thermal, electrical, chemical, radioactive, and others. In physics, energy is the ability to perform work. Related Topics Relativistic Kinetic Energy Power Units- The Basics Mechanical Energy Formula & Examples Can Momentum be Negative? Velocity Time Graph Can Displacement be Negative? Can Work Be Negative?| Easy ExplanationĪ moving object’s kinetic energy equals half of the product of its mass and its velocity squared.īecause an object’s mass can never be zero and the square of velocity is positive, therefore kinetic energy is always positive. It is a fundamental concept that has wide-ranging applications and is essential for many areas of science and technology. ![]() These are just a few examples of why linear motion is important in various fields and aspects of daily life. Understanding linear motion helps us to move efficiently and safely, whether we are walking, driving, or riding a bicycle. Everyday life: Linear motion is also important in our everyday lives, as we move about and carry out our activities.Athletes must be able to control their linear motion in order to perform at their best. Sports: Linear motion is important in many sports, such as running, jumping, and throwing.A basic understanding of linear motion is necessary for optimizing the efficiency and productivity of these processes. Industrial processes: Linear motion is used in many industrial processes, such as in the production of goods, where objects are moved along a production line.The ability to predict and control linear motion is crucial for the operation of many machines, including automobiles, trains, and elevators. Engineering and design: Linear motion is used in many engineering and design applications, such as in the design of machines and mechanical systems.Understanding of basic physics: Linear motion is a fundamental concept in physics, and understanding how objects move in a straight line is essential for understanding more complex forms of motion, such as circular and elliptical motion.Here are some reasons why linear motion is important: Linear motion is important in many areas of science, engineering, and daily life because it is a basic form of motion that can be described and analyzed using simple mathematical models. A person pushing a shopping cart in a straight line.Here are some examples of linear motion in daily life: Linear motion is a type of motion in which an object moves in a straight line.
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