In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction ofRead More
Colorful Pencil
A colored pencil (US-English), coloured pencil (UK-English, Canada-English), pencil crayon (UK-English, Canada-English), lead or coloured/colouring lead (Newfoundland-English) is an art medium constructed of a narrow,Read More