Wonderful Power In Science
Right now there are only two commercial tidal power plants operating.
Power in science. As a main component of total fitness power is crucial for success in sports. In the International System of Units the unit of power is the watt equal to one joule per second. Tidal power has great potential as a source of green energy because it is more reliable than wind and solar power.
Horsepower is often used to describe the power delivered by a machine. To comprehend international politics and relations studying the concept of power in political science is a must. In everyday life it has a wide range of meanings.
Power is a scalar quantity. In older works power is sometimes called activity. For historical reasons the horsepower is occasionally used to describe the power delivered by a machine.
Thus power means the capacity to make decisions binding and ability to discharge responsibilities and perform certain functions. Power in science and engineering time rate of doing work or delivering energy expressible as the amount of work done W or energy transferred divided by the time interval t or W t. Power is measured in energy joules divided by time.
A given amount of work can be done by a low-powered motor in a long time or by a high-powered motor in a short time. It is measured in watts horsepower etc. The equation that describes power is.
Power webquest print page. The SI unit of power is Watt W which is joules per second Js. All the questions on this quiz are based on information that can be found at Physics.