We can define power is the rate of doing work. In the end, both cars are going 60 miles per hour, but the 80-hp engine can reach that speed faster.In the race between the tortoise and the hare, the hare had more power and accelerated faster, but the tortoise did the same work and covered the same distance in a much longer time. In the context of energy conversion, it is more customary to use the symbol Power in mechanical systems is the combination of forces and movement. The SI unit of power is the watt (W), which is equal to one joule per second. Mechanical power is also described as the time derivative of work. The SI unit of power is the watt, which is one joule per second. This provides a simple formula for the The similar relationship is obtained for rotating systems, where These relations are important because they define the maximum performance of a device in terms of The peak power is not always readily measurable, however, and the measurement of the average power Rate at which energy is transferred, used, or transformed Although sources such as electric batteries can supply electric power, it is mostly produced by electric generators. In particular, power is the product of a force on an object and the object's velocity, or the product of a torque on a shaft and the shaft's angular velocity.

If a mechanical system has no losses, then the input power must equal the output power.

Power is a physical concept that has several different meanings, depending on the context and the information that is available.

Power is the rate with respect to time at which work is done; it is the time derivative of work: It can be misunderstood by most of the students. Power is the rate of work done in a unit of time. Other units of power include ergs per second (erg/s), horsepower (hp), metric horsepower (Pferdestärke (PS) or cheval vapeur, CV), and foot-pounds per minute. When the unit of time approaches zero, However, power … The tortoise showed less power.When discussing power, people are usually referring to average power, PWhat is the power at a specific time?

The runner has a higher power rating than the walker, putting out more watts. Electrical power is denoted by P and measured using Watt.

If you know the power of a system, you can find the amount of work that will be produced, as W=Pt. In most of the cases, potential energy is considered, which is the energy stored due to the relative positions of charged particles or electric fields. In the It is the average amount of work done or energy converted per unit of time. Power is the rate with respect to time at which work is done; it is the time If instead the force is variable over a three-dimensional curve C, then the work is expressed in terms of the line integral: They think that more power full machine does more work. Power is a scalar quantity, it has no direction.Horsepower is often used to describe the power delivered by a machine. Power is the rate at which work is done or the rate at which energy is transfered from one place to another or transformed from one type to another. Electric power is defined as the rate at which electrical energy is consumed in an electrical circuit. A car with 80 horsepower can produce faster acceleration than a car with 40 horsepower. Here electrical energy can be either kinetic energy or potential energy. The SI unit of power is the watt (W) or joule per second (J/s). If a bulb has a power rating of 50 watts, it will produce 50 joules per second.

"Biography of James Watt, Inventor of the Modern Steam Engine If work is done slower, power is smaller.Power is measured in energy (joules) divided by time. The average power is often simply called "power" when the context makes it clear. It is higher when work is done faster, lower when it's slower. The dimension of power is energy divided by time. Other units include dBm, a relative logarithmic measure w… One horsepower is equivalent to 33,000 foot-pounds per minute, or the power required to lift 550 pounds by one foot in one second, and is equivalent to about 746 watts. It is the amount of energy consumed per unit time. If work is done faster, power is higher.

In In rotational systems, power is the product of the In fluid power systems such as hydraulic actuators, power is given by In calculus terms, power is the derivative of work with respect to time. In physics, the rate of transfer of electrical energy by an electrical circuit per unit time is called electrical power. In an hour (3600 seconds) it will produce 180,000 joules.When you walk a mile, your motive force is displacing your body, which is measured as the work is done. In physics, power is the rate in which work is done or energy is transferred over time. The dimension of power is energy divided by time.

#PhysicsbyICSir , Physics for 12th Class for 10th & 12th Class , NTSE , IIT, NEET Examinations.Dear students this video clear your basic concepts regarding physics on …

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