Posted inStrength of Materials
Pulleys as a Work Input-Outut Device
In our previous topic we saw how adding extra pulleys resulted in mechanical advantage being doubled, which…
Posted inStrength of Materials
Dynamic Lifting is Easier With a Compound Pulley
Dynamic Lifting is Easier With a Compound PulleyIf you’ll recall from our last topic, Mr.…
Posted inStrength of Materials
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…
Posted inStrength of Materials
The Compound Pulley
Sometimes one of something just isn’t enough, like one potato chip, one glass of wine……
Posted inStrength of Materials
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…
Posted inStrength of Materials
The Simple Pulley Gives Us a Lift
Lifting heavy objects into position always presents a challenge, whether it’s a mom lifting a…
Posted inStrength of Materials
Kinetic Energy to Work, Work to Kinetic Energy
Last time we watched our example ceramic coffee mug crash to a concrete floor, where…
Posted inStrength of Materials
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…
Posted inStrength of Materials
When Kinetic Energy Meets With Opposing Force
Objects in motion inevitably meet with opposing forces, a theme which I frequently encounter in my…
Posted inStrength of Materials
The Force of Gravity
As We Know how Henry Cavendish built upon the work of scientists before him to…