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Power (physics) - Wikipedia Power is the rate with respect to time at which work is done or, more generally, the rate of change of total mechanical energy It is given by: =, where P is power, E is the total mechanical energy (sum of kinetic and potential energy), and t is time
What is Power? - BYJUS What is Power? We can define power as the rate of doing work, it is the work done in unit time The SI unit of power is Watt (W) which is joules per second (J s) Sometimes the power of motor vehicles and other machines is given in terms of Horsepower (hp), which is approximately equal to 745 7 watts
Power - The Physics Classroom The rate at which work is done is referred to as power A task done quite quickly is described as having a relatively large power The same task that is done more slowly is described as being of less power
Power - Math is Fun Power is energy flowing! It is measured as energy per unit of time Energy is in Joules (J) Power is in Joules per second (J s) which has the special unit of Watts (W) 1 Watt = 1 Joule of energy per second 1 W = 1 J s Power Formulas No, not that type of Power Formula! Power is the rate of energy per time: P = Energy Time
Power | Physics - Lumen Learning Power is the rate at which work is done, or in equation form, for the average power P for work W done over a time t, [latex]P=\frac{W}{t}\\[ latex] The SI unit for power is the watt (W), where [latex]1\text{ W}=1\frac{\text{J}}{\text{s}}\\[ latex]
Power (Physics): Definition, Formula, Units, How To Find (W . . . - Sciencing Considering the definition of power and the two ways to find it yields multiple ways to increase something's power : increase its strength (use more force ) or get the same work done faster (decrease t or increase v ) A powerful car is strong and fast, and a weak one is neither