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Say this "even when friction occurs and physical changes take place, the law of conservation of mass states that no matter is lost in the process".

(though it may seem like matter has been lost, some of the matter goes in the atmosphere or onto the ground depending on what you are applying friction too)

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13y ago

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What is the law of conservation of energy in a electric iron?

The law of conservation of energy states that energy cannot be created or destroyed, only transformed. In an electric iron, electrical energy is converted to heat energy and mechanical energy, which enables the iron to press and smooth clothes. This conversion of energy follows the principle of conservation of energy.


Does friction always produce heat?

Yes, of course. If the frictional force would go in the same direction as the movement, that would violate the Law of Conservation of Energy.Yes, of course. If the frictional force would go in the same direction as the movement, that would violate the Law of Conservation of Energy.Yes, of course. If the frictional force would go in the same direction as the movement, that would violate the Law of Conservation of Energy.Yes, of course. If the frictional force would go in the same direction as the movement, that would violate the Law of Conservation of Energy.


If friction can be ignored what system doesn't change?

If friction can be ignored, a system's mechanical energy remains constant. This is because in the absence of friction, energy is conserved and the total energy (kinetic energy + potential energy) of the system remains the same throughout the motion.


Why does the mechanical (total) energy of the skater not change over time?

It certainly does; mechanical energy will be wasted due to friction. Otherwise, if you disregard friction, the fact that the total mechanical energy is conserved follows from conservation of energy.


What is the difference between energy conservation and energy effinciency?

Energy conservation involves reducing the overall consumption of energy, while energy efficiency focuses on getting more work done with the same amount of energy. In other words, conservation is about using less energy, while efficiency is about using energy more wisely and making processes more productive.

Related Questions

Is energy transfer the same as friction?

No, energy transfer is not the same as friction.


How does the law of conservation apply to skatboarder on a half pipe?

The law of conservation of energy applies to a skateboarder on a half pipe by ensuring that the total mechanical energy in the system (potential energy due to height and kinetic energy due to motion) remains constant, neglecting any external forces like friction or air resistance. As the skateboarder moves up and down the half pipe, their potential energy is converted into kinetic energy and vice versa, but the total energy remains the same.


Four physical quantities which have same dimensional formulae?

Conservation of Matter, Conservation of Energy, Conservation of Charge and Conservation of Momentum.


What is the law of conservation in your own words?

There are many different laws of conservation, but they are essentially the same. For this example I will use energy. The laws of conservation of energy say that energy in = energy out. This is to say that energy cannot be destroyed or created.


Discuss the design of the roller coaster shown in the sketch in terms of the conservation of energy.?

The design is impractical. Note that the summit of each hill on the roller coaster is the same height, so the PE of the car at the top of each hill would be the same. If no energy were spent in overcoming friction, the car would get to the second summit with as much energy as it starts with. But in practice, there is considerable friction, and the car would not roll to its initial height and have the same energy. So the maximum height of succeeding summits should be lower to compensate for friction.


What does the conservation of energy tell you about the total energy of an object?

Total energy of an isolated object is always same.


What states that during any change the amount of energy stays the same?

Law of Conservation of Energy.


What is the law of conservation of energy in a electric iron?

The law of conservation of energy states that energy cannot be created or destroyed, only transformed. In an electric iron, electrical energy is converted to heat energy and mechanical energy, which enables the iron to press and smooth clothes. This conversion of energy follows the principle of conservation of energy.


Does friction always produce heat?

Yes, of course. If the frictional force would go in the same direction as the movement, that would violate the Law of Conservation of Energy.Yes, of course. If the frictional force would go in the same direction as the movement, that would violate the Law of Conservation of Energy.Yes, of course. If the frictional force would go in the same direction as the movement, that would violate the Law of Conservation of Energy.Yes, of course. If the frictional force would go in the same direction as the movement, that would violate the Law of Conservation of Energy.


What is the energy between law of conservation of energy and energy transformations?

Because of the Law of Conservation of Energy, when you transform energy, any amount of energy that gets lost as one type of energy must needs appear - in the same amount - as another type of energy.


If friction can be ignored what system doesn't change?

If friction can be ignored, a system's mechanical energy remains constant. This is because in the absence of friction, energy is conserved and the total energy (kinetic energy + potential energy) of the system remains the same throughout the motion.


What is The relationship between laws of conservation of energy and energy transformations?

Because of the Law of Conservation of Energy, when you transform energy, any amount of energy that gets lost as one type of energy must needs appear - in the same amount - as another type of energy.