Work By Variable Force
Imagine pushing a cart on a smooth floor. That's a constant force. But stretching a spring or a rubber band? The harder you pull, the more it resists. That's a Variable Force, and it’s very common in physics.
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Imagine pushing a cart on a smooth floor. That's a constant force. But stretching a spring or a rubber band? The harder you pull, the more it resists. That's a Variable Force, and it’s very common in physics.