Perpendicular Axis Theorem: Statement, Proof and Applications
The perpendicular axis theorem states that for a plane lamina, the moment of inertia about an axis perpendicular to the plane of the lamina…Read More →
Strain Formula: Definition, Types, Units and Solved Examples
The strain formula is strain (ε) = change in length / original length = ΔL / L. Strain measures how much a body deforms…Read More →
Types of Gears: Classification, Comparison and Applications
Gears are classified by how their shafts are arranged: parallel shafts use spur, helical, double-helical (herringbone), internal gears and rack and pinion; intersecting shafts…Read More →
Try Square: Types, Grades, Accuracy and Applications
A try square is a fixed-angle measuring and marking tool made of a thick stock and a thin blade joined at exactly 90°. It…Read More →
Drill Bit: Types, Parts and Different Sizes
A drill bit is the rotary cutting tool that actually makes the hole: it is held in the drill chuck or spindle taper, rotates…Read More →
Types of Pumps: Classification of All Types and Subtypes
There are two main types of pumps: dynamic (rotodynamic) pumps, which add velocity to the liquid with a spinning impeller and turn it into…Read More →