Chap 3: Geometric Constructions, Loci, & Engr Plane Curves

Question 1

The path taken by the point as it moves in space

Answer 1

Locus of a point (plural Loci of Points)

Question 2

When a cone is cut by diff erent straight planes (CP) the true shapes of the cut surfaces that are obtained are known as ______

Answer 2

Conics

Question 3

A straight line drawn on the surface of the cone joining the apex to a point on the base circle of the cone is known as the _______ of the cone.

Answer 3

Generator

Question 4

These curves are commonly used for generating the shape of gear teeth profiles.

Answer 4

Cycloidal Curves

Question 5

When a piece of thread is wound on or unwound from a circle while it is kept taut, the path traced out by the end point of the thread is an _______ of the circle.

Answer 5

Involute