We believe in empowering every single student who couldn’t dream of a good career in engineering and medical field earlier. PW strives to make the learning experience comprehensive and accessible for students of all sections of society. We successfully provide students with intensive courses by India's top faculties and personal mentors. Physics Wallah also caters to over 3.5 million registered students and over 78 lakh+ Youtube subscribers with 4.8 rating on its app. We also provide extensive NCERT solutions, sample papers, NEET, JEE Mains, BITSAT previous year papers, which makes us a one-stop solution for all resources. Physics Wallah is India's top online ed-tech platform that provides affordable and comprehensive learning experience to students of classes 6 to 12 and those preparing for JEE and NEET exams. Physics Formula For Velocity of Chain While Leaving the Table.Physics Formula For Work Done in Pulling the Chain Against Gravity.Physics Formula Gravitational Potential Energy.Physics Formula For Electrical Potential Energy.Physics Formula For Elastic Potential Energy.Physics Formula For Potential Energy Curve.Physics Formula For Comparison of Stopping Distance and Time for two Vechicles.Physics Formula For Relation of Kinetic Energy with Linear Momentum.Work Done Calculation by Force Displacement Graph.Law of Conservation of Angular Momentum.In a normal case, velocity direction is not the same as the force, then the velocity and scalar product of force must be used. In the linear cases where a constant force moves an object at a constant velocity, the Power is just P = Fv. It is a signed quantity negative Power represents Power flowing in the opposite direction from positive Power.Īns.
The Power represents the rate of electrical energy flowing out or into an electrical device or control volume. P = 588 Watts Frequently Asked Question (FAQs)Īns. Ram has a mass of 60 kg and runs up to 12m high in 40 seconds. An electric machine uses 200 J of energy to do work in 10s. In this formula, F = force applied to the object, s = displacement of the object, and t = total time taken. This formula is derived from the theorem of work-energy
This formula is also known as the mechanical power equation. The above formulas are a variant of Ohm's law. The formula was derived by a great scientist named Ohm, and this formula is named after him and is also known as Ohm's law. And knowing the efficiency of someone or something's work, we can also make good judgments and decisions about it. This means that "x" is more efficient than "y." This is simply because x has more power than y.įrom the example, one can also understand how power can help determine how much work is done and at what time. For example, if x and y are doing the same task and x completes it in 3 hours while y completes the same task in 6 hours. It helps to determine which object is more efficient and which is less efficient. Power formula helps us determine the work done by a particular object or person at a specific time. The power formula gives many benefits, such as The Energy expended to do work in unit time is termed Power. The capacity to do particular work is known as Energy.
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