Using Parallax to Measure Distance
Parallax is a displacement or difference in the apparent position of an object viewed along…
Optically Measuring Cosmic Distances
Last topic we learned that the bigger an optical rangefinder, the better…
Optical Rangefinders, Why Bigger is Better
Last time we discussed the fact that ultra fine gradations must be applied to…
Further Limitations of an Optical Rangefinder
As We discussed earlier that when optical rangefinders are used to measure…
The Principle of Parallax
We’ve been looking at the indirect methods employed by scientists through the…
Newton’s Law of Gravitation and the Universal Gravitational Constant
Last time we discussed the term acceleration of gravity, a physical phenomenon…
Equations Used to Manipulate Torque Relative to Horsepower
Already we learned that we can get more torque out of a…
Pulleys as a Work Input-Outut Device
In our previous topic we saw how adding extra pulleys resulted in mechanical…
Dynamic Lifting is Easier With a Compound Pulley
Dynamic Lifting is Easier With a Compound PulleyIf you’ll recall from our…
Mechanical Advantage of a Compound Pulley
In this Topic series on pulleys we’ve gone from discussing the simple pulley to…
