With a self-propelled mower, the gas engine or electric motor does the "pushing," routing power to a pulley on the transmission and axle. All you have to do is squeeze a handle or push a lever ...

Owning your own reformer might be tempting, but remember they do take up space. Most machines are around 2.5m long and weigh around 50kg. That’s before you take into account all the extra ...

How to Tow a Car With a Chain Generally speaking, towing a car with a tow rope or chain should be a last resort and should only be done for very short distances at low speeds on local roads—not ...

Abstract: Synthetic fiber ropes are used in many robots because of their light weight and high tensile strength. However, the coefficient of friction of synthetic fiber ropes is low, resulting in the ...

This article was originally published with the title “Rope and Pulley” in Scientific American Magazine Vol. 3 No. 6 (October 1847), p. 48 doi:10.1038/scientificamerican10301847-48g View This Issue ...

Liebherr-International has patented a method to determine the number of rope reevings in a pulley block using sensors and a control unit. By comparing rope paths and height differences between blocks, ...

Claim: A physics professor gives a final examination that requires his students to explain how to measure the height of a tall building using a barometer. Instead of the expected answer (i.e ...