File Name: mechanics work energy and power .zip
Consider a particle of mass m moving linearly with an applied force F constantly acting on it. Consider a particle, mass m, speed v, being moved along the x-axis by a force of magnitude F. The applied force F is proportional to the displacement of the particle x, along the x-axis. This is the energy a mass posesses by virtue of its position. It is equal to the product of mass, gravitational field strength g and the vertical distance the particle is above a fixed level.
The principle of work and kinetic energy also known as the work-energy theorem states that the work done by the sum of all forces acting on a particle equals the change in the kinetic energy of the particle. This definition can be extended to rigid bodies by defining the work of the torque and rotational kinetic energy. Kinetic Energy : A force does work on the block. The kinetic energy of the block increases as a result by the amount of work. This relationship is generalized in the work-energy theorem.
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Renatta Gass is out with her friends. Misfortune occurs and Renatta and her friends find themselves getting a work out.
Suppose a force F acts on a body, causing it to move in a particular direction. Work done is measured in joules which has symbol J. Now suppose that this force is at an angle of a to the horizontal. Now suppose that the force we are considering is one which causes a body to be lifted off of the ground. We call the work done by the force the "work done against gravity".
Может. - Сьюзан пожала плечами, демонстрируя равнодушие. - Мы с ним какое-то время переписывались, - как бы невзначай сказал Хейл. - С Танкадо.
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