Strength of Materials 2 min read
The Principle of Parallax
We’ve been looking at the indirect methods employed by scientists through the ages as they struggled to determine the distance…
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Newton’s Law of Gravitation and the Universal Gravitational Constant
Last time we discussed the term acceleration of gravity, a physical phenomenon posited by Sir Isaac Newton in his book Philosophia Naturalis…
Strength of Materials 3 min read
Equations Used to Manipulate Torque Relative to Horsepower
Already we learned that we can get more torque out of a motor by using one of two methods. In the…
Strength of Materials 2 min read
The Mathematical Link Between Gears in a Gear Train
Previously we analyzed the angular relationship between the Force and Distance vectors in this simple gear train. here we’ll discuss about commonality between the two…
Strength of Materials 2 min read
Pulleys as a Work Input-Outut Device
In our previous topic we saw how adding extra pulleys resulted in mechanical advantage being doubled, which translates to a 50% decreased…
Strength of Materials 2 min read
Dynamic Lifting is Easier With a Compound Pulley
Dynamic Lifting is Easier With a Compound PulleyIf you’ll recall from our last topic, Mr. Toga used a compound pulley to assist…
Strength of Materials 3 min read
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 an introduction to the complex…
Strength of Materials 2 min read
The Compound Pulley
Sometimes one of something just isn’t enough, like one potato chip, one glass of wine… And when it comes to…
Strength of Materials 2 min read
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 more than a few times…
Strength of Materials 2 min read
The Simple Pulley Gives Us a Lift
Lifting heavy objects into position always presents a challenge, whether it’s a mom lifting a toddler to her hip or…
Strength of Materials 3 min read
Kinetic Energy to Work, Work to Kinetic Energy
Last time we watched our example ceramic coffee mug crash to a concrete floor, where its freefall kinetic energy performed…
Strength of Materials 3 min read
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 crater in a pan of…