![]() In this case, we know the force of 64 N and the distance of 3 m. A 64 N force is applied to the book at a 120° angle from horizontal and moves the book 3 meters in the horizontal direction. So, the 100 N force did 500 joules work moving the block 5 meters. So we plug these values into our equation We also know that since the force is applied in the same direction as the displacement, Θ is equal to 0. In this case, we know the force is 100 N and the distance is 5 meters. Example problems (1)Ī 100 Newton force is applied to a 15kg box in the horizontal direction and moves it 5 meters horizontally. Let’s consider some simple examples to illustrate the concept of work. So the force from a person pushing the side of a skyscraper is not doing any work as the skyscraper does not move. In cases where a force is applied to an object but does not move it, no work has been done. When a ball rolls down a hill due to the force of gravity, when you pick up your backpack off the ground, when your car’s internal engine applies a force to make your wheels move all of these events involve a force moving an object over a distance and so involve some work. Whenever a force moves an object, we say that work has been done. Another way to understand it is that one joule is equivalent to the amount of energy transferred when one newton of force moves an object a distance of one meter. ![]() The SI unit for work is the joule ( J), and its dimensions are kg Where W is the amount of work, F is the vector of force, D is the magnitude of displacement, and Θ is the angle between the vector of force and the vector of displacement. The general formula for work and for determining the amount of work that is done on an object is: The amount of work a force does is directly proportional to how far that force moves an object. In other words, work is equivalent to the application of a force over a distance. “It is easier to resist at the beginning than at the end.In physics, we say that a force does work if the application of the force displaces an object in the direction of the force. With CalculatorHut, calculations are simple and fun, always!! Happy Calculating! Work done physics calculator download#If you have fallen in love with any of our calculators and wish to use them as widgets for your blog or website, drop a word to us at We would design a widget, absolutely free for you!īesides, you can also carry our free online scientific calculators in your pocket! Our CalculatorHut app is free to download and use and will be your one stop solution for all your calculation needs.ĭid we miss any calculator that you wished to get for free? Let us know and we would be happy to add it to our huge range of 100+ free scientific and miscellaneous online calculators. Work done physics calculator for free#Besides, you may also find our health calculators for free online, vehicle calculators for free online interesting and useful too! You can also check out the huge database of free online physics calculators and free online chemistry calculators with us. Ohm’s law calculator from CalculatorHut is a free online calculator that lets you calculate the voltage, resistance, current and power of an electrical circuit, in a jiffy! How CalculatorHut’s Ohm’s law calculator helps you?ĬalculatorHut is your ultimate destination for all your scientific calculation needs. In practice, resistance is both a useful resource and a wastage – we use resistance in many forms for good purposes, however, more resistance means more power needed to get the work done and more heating losses.An electrical instrument that can measure various electrical parameters, including resistance, voltage, and current of a circuit is called a multimeter.Our online free reactance calculator will help you better. What is called as resistance for DC circuits, is termed as Impedance for an AC circuit.This is because, in AC circuits, inductance and capacitance come into the picture, which do not follow Ohm’s law. Ohm’s law is applicable only to circuits that run on direct current (DC), not the ones that work with alternating currents (AC). ![]() Such electrical materials for which Ohm’s law is not applicable are called non-Ohmic materials. For other types of elements, that have inductance and capacitance, Ohm’s law is not valid.
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