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To do work in physics, you must apply a force to an object over some distance.
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To do work in physics, the right formula to remember is: Work = Force x Distance x cos(θ), where θ is the angle between the force vector and the direction of motion. This means that for work to be done, you need to apply a force that moves the object through a distance. If there’s no movement or the angle prevents effective force application, then, surprisingly, no work is accomplished!
In everyday situations, think of lifting a grocery bag. You exert an upward force while walking some distance to your car. That’s work! But if you lift the bag straight up and then just hold it stationary, well, you’re not doing any work on the bag (though your arms might disagree). Physics can be sneaky like that!
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