– A sentence needs a capital letter at the beginning. – A sentence needs a period, a question mark, or an exclamation point at the end. – A sentence needs…
Month: May 2015
Parts of Speech Table
Parts of Speech Table Part of speech function or “job” example words example sentences Verb action or state (to) be, have, do, like, work, sing, can, must EnglishClub is a web site.…
Homophones with 70 Popular Words
A homophone is a word that sounds like another word, but has a different spelling and meaning. You can see homophones in the graded homophones lists below. air – heir aisle…
Friction Introduction
Frictional resistance to the relative motion of two solid objects is usually proportional to the force which presses the surfaces together as well as the roughness of the surfaces. Since…
Lami’s Theorem
If three concurrent forces acting on a body keep it in equilibrium, then each force is proportional to the sine of angle between the other two forces. If three concurrent…
Free-Body Diagram
A free-body diagram is a sketch of an object of interest with all the surrounding objects stripped away and all of the forces acting on the body shown. The drawing…
Equilibrium for Coplanar Forces | Condition of Equilibrium Coplanar Forces
Equilibrium for Coplanar Forces | Condition of Equilibrium Coplanar Forces: Forces in equilibrium mean that they are balanced. Coplanar forces act in the same plane. Two balanced forces are equal…
Vectors Representation
Vectors can be graphically represented by directed line segments. The length is chosen, according to some scale, to represent the magnitude of the vector, and the direction of the directed…
The Moment of a Force
The Moment of a force is a measure of its tendency to cause a body to rotate about a specific point or axis. This is different from the tendency for…
The Principle of Transmissibility of Forces
The Principle of Transmissibility of Forces states that the conditions of equilibrium or conditions of motion of a rigid body will remain unchanged if a force acting at a give point…