The acceleration due to Earth's gravity is around 9.8 meters per square second. The study of forces and their effects is crucial to the design and operation of machines, vehicles, structures, and many other systems. It is used in many fields, including mechanics, electromagnetism, thermodynamics, and fluid dynamics. In engineering and physics, force is a fundamental concept that is used to explain and predict the behavior of physical systems. Tension force is the force transmitted through a string, rope, cable, or wire when it is pulled tight. Frictional force is the force that opposes the motion of an object as it slides or rolls over a surface. Electromagnetic force is the force that exists between charged particles and is responsible for interactions between electrically charged objects. Gravitational force is the force that attracts two objects toward each other based on their mass and distance. There are many types of forces, including gravitational force, electromagnetic force, frictional force, and tension force. In other words, the greater the mass of an object, the greater the force required to move it, and the greater the acceleration of an object, the greater the force required to cause that acceleration. According to Newton's second law of motion, force is equal to the product of mass and acceleration (F=ma). It is typically measured in Newtons (N) and is represented by the symbol F. This definition is mainly used for electrical machines.Force is a physical quantity that describes the interaction between two objects or systems, which can cause them to accelerate, change direction, or deform. This definition is mainly used to denote a boiler's capacity to deliver steam to a steam engine. Boiler Horsepower, hp(S)-34.5 pounds of water evaporated per hour at 212 degrees Fahrenheit, approximately 9,809.5 watts.Metric Horsepower, hp(M)-75 kgf-m per second, approximately 735.499 watts.The most common definition of horsepower, mechanical horsepower, is the horsepower James Watt invented in 1782. Mechanical Horsepower, hp(I)-550 foot-pounds per second, approximately 745.7 watts.However, there are other lesser known definitions of the word. When the term horsepower is used, people are probably referring to mechanical horsepower. 1 BTU is equivalent to 0.293 watt-hour or 1,055 joules. BTU is commonly used to compare the energy inherent in different fuels. To calculate the gravitational force between two objects use the formula F GMm/R, where G is the gravitational constant, M is the mass of the first object, m is the mass of the second object, and R is the distance between the centers of the two objects. Coincidentally, one BTU is also roughly the amount of energy released by burning one match. The British Thermal Unit (BTU) is another unit of energy, and one unit of BTU is the amount needed to heat one pound of water by one degree Fahrenheit. Energy is often presented using units of kilowatt hours (kWh), usually within the context of electric utilities delivering energy to household consumers. On the other hand, kilowatts are commonly used for larger scale measures such as appliances and devices like refrigerators or servers. A watt is defined as one joule per second and is generally used to quantify a rate of energy transfer for lower rates of power consumption such as lightbulb or smartphone charging. Horsepower is not recognized in the International System of Units (SI) SI uses a measurement of power (a rate at which energy is generated or used) called a watt, which is named after James Watt. When measuring horsepower output of anything, to ensure precise comparisons between them, it is important to be consistent in the methodology used to determine horsepower. Gravitational Acceleration g or Planet Height h Time of Fall t s Velocity v Share To calculate, enter g or select a planet, then enter one of the three values h, t or v into the corresponding boxes, select Imperial or metric units and click or tap the Calculate button. For more information or to do calculations on vehicle horsepower, use the Engine Horsepower Calculator. Although horsepower is an important metric for doing so, it should not be the only consideration in determining a vehicle's ability as there are other factors such as power-to-weight ratio, torque, drivetrain, and forced induction. Horsepower is commonly used today to refer to the potential work output of a vehicle's engine, and as such, is a widely cited measurement for performance comparisons. Although its original purpose was to compare the output of steam engines with the power of horses (hence its name), it has since been adopted as a unit of measurement for all sorts of engines used to power things such as vehicles, lawn mowers, boats, chainsaws, and airplanes. Horsepower is a unit of measurement of power developed by engineer James Watt in the late 18 th century. Horsepower Calculation Based on Definition By definition Power = force×Ĭonverts between different units of power.
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