By Kim Ristow
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Learners examine how a force may be considered to act at any point along its line of action as long as the magnitude and direction of the force remain unchanged. Numerical verification is provided.
This animated lesson shows how to calculate the amount of force generated by hydraulic cylinders.
In this animated activity, learners view the following physics concepts in action: force, friction, horsepower, work, power, inefficiency, resistance, inertia, and energy.
Review for the physical science test on Newton's laws.