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Mechanical Advantage of a Compound Pulley
In this Topic series on pulleys we’ve gone from discussing the simple pulley to the improved simple pulley to…
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The Compound Pulley
Sometimes one of something just isn’t enough, like one potato chip, one glass of wine……
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Using a Free Body Diagram to Understand Simple Pulleys
Sometimes the simplest alteration in design results in a huge improvement, a truth I’ve discovered…
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The Simple Pulley Gives Us a Lift
Lifting heavy objects into position always presents a challenge, whether it’s a mom lifting a…
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Kinetic Energy to Work, Work to Kinetic Energy
Last time we watched our example ceramic coffee mug crash to a concrete floor, where…
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Mohs Scale of Hardness, Ceramic vs. Concrete
Last time we watched as the kinetic energy of our falling coffee mug was transformed into the work of creating a…
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When Kinetic Energy Meets With Opposing Force
Objects in motion inevitably meet with opposing forces, a theme which I frequently encounter in my…
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The Force of Gravity
As We Know how Henry Cavendish built upon the work of scientists before him to…
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Gear Reduction Worked Backwards
Previously we saw how a gear reduction does as its name implies, reduces the speed…
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Brakes and Braking Systems
Imagine driving in your car, you’re traveling at a speed of 65 mph and you’re…