Search
- https://phys.libretexts.org/Courses/Joliet_Junior_College/Physics_201_-_Fall_2019v2/Book%3A_Custom_Physics_textbook_for_JJC/08%3A_Work_and_Energy/8.22%3A_PowerIn physics, power is the rate of doing work—the amount of energy consumed per unit time.
- https://phys.libretexts.org/Courses/Joliet_Junior_College/JJC_-_PHYS_110/05%3A_Book-_Physics_(Boundless)/5.04%3A_Work_and_Energy/5.4.06%3A_PowerIn physics, power is the rate of doing work—the amount of energy consumed per unit time.
- https://phys.libretexts.org/Bookshelves/University_Physics/Physics_(Boundless)/6%3A_Work_and_Energy/6.6%3A_PowerIn physics, power is the rate of doing work—the amount of energy consumed per unit time.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/PHY_1030%3A_General_Physics_I/06%3A_Work_and_Energy/6.6%3A_PowerIn physics, power is the rate of doing work—the amount of energy consumed per unit time.
- https://phys.libretexts.org/Courses/Prince_Georges_Community_College/General_Physics_I%3A_Classical_Mechanics/28%3A_PowerIn SI units, power is measured in units of watts (W), named for the Scottish engineer James Watt: In CGS units, power is measured in units of statwatts: The British engineering unit of power has no sp...In SI units, power is measured in units of watts (W), named for the Scottish engineer James Watt: In CGS units, power is measured in units of statwatts: The British engineering unit of power has no special name; it is simply a foot-pound per second (ft-lbf/sec). Another common unit that is not part of the British engineering system is the horsepower (hp): 1hp= 550ft−lbf/sec, or about 745.7 watts.
- https://phys.libretexts.org/Courses/Tuskegee_University/Algebra_Based_Physics_I/06%3A_Work_Energy_and_Energy_Resources/6.08%3A_PowerPower 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, P=W/t. The SI unit for power is the watt (W), where \(1 \space W ...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, P=W/t. The SI unit for power is the watt (W), where 1 W=1 J/s. The power of many devices such as electric motors is also often expressed in horsepower (hp), where 1 hp=746 W.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/08%3A_Energy_Physics_and_Chemistry/8.04%3A_Work_and_Energy/8.4.04%3A_PowerBut the power plant consumes chemical energy at a rate of about 2500 MW, creating heat transfer to the surroundings at a rate of 1500 MW. (See Figure \PageIndex3.) Later in this text we will loo...But the power plant consumes chemical energy at a rate of about 2500 MW, creating heat transfer to the surroundings at a rate of 1500 MW. (See Figure \PageIndex3.) Later in this text we will look at the efficiency of energy transfers in greater detail and learn why they happen the way that they do.
- https://phys.libretexts.org/Courses/Joliet_Junior_College/Physics_201_-_Fall_2019/Book%3A_Physics_(Boundless)/07%3A_Work_and_Energy/7.22%3A_PowerIn physics, power is the rate of doing work—the amount of energy consumed per unit time.
- https://phys.libretexts.org/Bookshelves/College_Physics/College_Physics_1e_(OpenStax)/07%3A_Work_Energy_and_Energy_Resources/7.07%3A_PowerPower 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, P=W/t. The SI unit for power is the watt (W), where \(1 \space W ...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, P=W/t. The SI unit for power is the watt (W), where 1 W=1 J/s. The power of many devices such as electric motors is also often expressed in horsepower (hp), where 1 hp=746 W.
