"Any rod, or bar, which is used in raising a weight, or surmounting a resistance, by being placed on…
"...represents a simple pulley, with a single fixed wheel. In other forms of the machine, the wheel…
"In the single moveable pulley, the same rope passes from the fixed point, A, to the power, P. It is…
A weight used to force a lure or bait to increase its rate of sink, anchoring ability, and/or casting…
One of the commonest ways of determining the density of a solid body is to weight it first in air and…
The steelyard is an instrument for weighing bodies by means of a single weight which can be hung at…
"A Lever of the Third Kind is one in which the power is between the weight and the fulcrum." —Quackenbos…
This experiment showed that every surface exposed to the atmosphere sustains a normal pressure equal…
OP is a vector (directed quantity) showing the force by a weight acting on it at an angle of 20 degrees.
"Take a piece of ivory, or any other substance that will sink in water, and weigh it accurately in the…
"The wedge is a movable inclined plane, and is used for moving a great weight a short distance. A common…
An illustration of a price computing weighing machine using an even even balance and pendulum.
Illustration comparing the fundamental units of measure ounces to grams and pounds to kilograms.
"To change the direction, it is only necessary that the rope by which the weight is to be raised, should…
"Considered as a lever, the fulcrum is at the common axis, while the arms of the lever are the radii…