Kaplan Nursing Entrance Practice Exam

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What does the formula W=Fd represent in physics?

Power
Energy
Work
Force

The correct answer is: Work

The formula W = Fd represents the concept of work in physics, where W is the work done, F is the force applied, and d is the displacement in the direction of the force. This relationship indicates that work is accomplished when a force acts upon an object and causes it to move. In more detail, work is defined as the transfer of energy that occurs when an object is moved a certain distance by an applied force. The force must have a component in the direction of the displacement for work to be done; if the force is perpendicular to the direction of displacement, no work is performed. This formula encapsulates the fundamental relationship between force and movement in physical systems, making it a key principle in mechanics. Understanding this concept is crucial in various applications, from simple machines to complex mechanical systems, as it lays the foundation for further exploration into energy transfer and conservation.