Strength of Materials 2 min read
De Coriolis’ Formula to Compute Work and the Newton
A case in point is Gaspard Gustave de Coriolis‘ formula to compute work, as set out in his Principle of Work. We’ll work with his formula today,…
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Focus on Dynamics, Part II, Kinetics
In Part I of Mechanical Engineering, Focus On Dynamics, we talked about kinematics. in This Part II, we’ll talk about kinetics. Kinetics is the…
Strength of Materials 3 min read
Work and Energy Share an Interesting Relationship
Last time we used de Coriolis’ formula to compute work to calculate the amount of work performed while pushing a loaded wheelbarrow…
Strength of Materials 1 min read
The Work-Energy Theorem — Background
The Work-Energy Theorem states that the work required to slow or stop a moving object is equal to the change in energy…
Strength of Materials 3 min read
The Math Behind the Work-Energy Theorem
Previously we saw how Santa and his reindeer team encountered a wind gust which generated enough force to slow them from an…
Strength of Materials 3 min read
Work and Energy, Speed, and Calories
In my work as an Engineer I’ve never had to convert Joules of work-energy into calories, but that’s exactly what we’ll be…
Strength of Materials 2 min read
The Law of Conservation of Energy
Last time we calculated the potential energy hidden within a coffee mug resting on a shelf. The concept of a…
Strength of Materials 2 min read
Applying the Work-Energy Theorem to Falling Objects
So far we’ve applied the Work-Energy Theorem to a flying object, namely, Santa’s sleigh, and a rolling object, namely, a car braking to avoid…
Strength of Materials 2 min read
The Frictional Force Formula
Last time we discussed the force of friction, another force in our ongoing discussion about changing forms of energy, and…
Strength of Materials 3 min read
The Interplay of Work and Kinetic Energy
We’ve been discussing the different forms energy takes, delving deeply into de Coriolis’ claim that energy doesn’t ever die or disappear, it simply changes forms depending…
Strength of Materials 2 min read
Calculating Kinetic Energy By Means of the Work of Friction
My activities as an Engineer often involve creative problem solving of the sort we did in last week’s blog when…
Strength of Materials 2 min read
Combining Kinetic Energy Formulas to Calculate Velocity
As an engineer, I often use the fact that formulas share a single common factor in order to set them…