Mar 12 • 🎯 Training Strategies
Mini Lesson: The Work-Energy Theorem in one sentence. ⚡
The net work done on an object equals the change in its kinetic energy.
That's it. That's the whole theorem.
What this means practically: if something speeds up, net work was done ON it. If it slows down, net work was done AGAINST it. If it moves at constant speed, net work is zero.
Here's where students get tripped up, they confuse work done by one force with NET work done by all forces combined.
Always ask: what is the NET work? Not just the work done by one force.
Quick check: a car brakes to a stop. Is the net work positive, negative, or zero? Reply below.
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Mini Lesson: The Work-Energy Theorem in one sentence. ⚡
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