Final answer:
Work in physics involves transferring energy by applying force over a distance. The equation W = fd describes the relationship between force, distance, and energy transfer during work. Understanding the sign of work is essential as it determines whether energy is transferred into or out of an object.
Explanation:
Work in physics is the transfer of energy from one object or system to another or the conversion of energy from one form to another. It involves applying a force over a distance to change the energy of an object or system.
Work is described by the equation W = fd, where force and distance are related to the energy transferred. Forces applied over a distance lead to work being done on an object, resulting in an energy transfer.
When considering work in physics, it's crucial to understand that work requires force applied over a distance, and the sign of the work determines if energy is transferred into or out of the object, impacting its kinetic energy levels.
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