You are using your muscles to move water backwards, which causes you to move forwards. This is a simple application of the idea of a reaction force - just like if you push against your desk whilst sitting on a wheely chair, you will go backwards.
Now we have the equation
work done = force x distance moved
meaning that the further you move or the bigger the force you use, the more work you have done. The distance is easy to measure, the force is going to be harder to figure out. Suggestions please!
Yes, swimming is good physical exercise.
Positive.
work is being done when you use energy
It best to but depends on the amount of swimming being done. About 30 minutes should be good.
Yes. The work is being done by whoever is pushing rather then the engine, but work is being done. Any time a force is applied through a distance, work is being done.
No, this statement is not true. When a person swims through water, work is being done because the person is exerting a force to move their body through the water against resistance. Work is calculated as force multiplied by distance, so swimming does involve work.
No, work is only done on an object when there is displacement in the direction of the force applied. If the object does not move, then no work is being done on it.
An example of work being done on an object is when a painter paints a canvas. The canvas is the object on which the work of painting is being done. The action of applying paint to the canvas is the work being performed on the object.
The keyword occurs when work is being done in the context of a search query or programming code.
work can only be done by a living being
It is work that is being done in a laboratory.
you know when work is done when it's finished and checked and approved by someone.