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IET 450 Midterm 74 Approved solutions
by expert Tutor.
Six Type of Cams - ANSWER-Plate/Disk
Translating/Wedge
Cylindrical
Conical
Face
Globonical
Def. of Kinetics - ANSWER-Study of forces that cause motion (torque, gravity, friction)
Def. of Kinematics - ANSWER-Study of describing motion (distance, time, velocity, acceleration)
Def. of Dynamics - ANSWER-Branch of mechanics concerned with the motion of bodies under the action
of forces
Two types of Motion - ANSWER-Linear Motion
Angular Motion
What is Linear Motion? - ANSWER-"Translation"- All points on a body/object move the same distance, in
the same direction, and at the same time
What is Angular Motion - ANSWER-"Rotary"- All points on a body/object move in circles about the same
central line or axis
What is Rectilinear Motion ? - ANSWER-Motion along a straight line
, IET 450 Midterm 74 Approved solutions
by expert Tutor.
What is Curvilinear Motion? - ANSWER-Motion along a curved path
Three types of Coordinate Systems - ANSWER-Cartesian
Cylindrical
Spherical
Elements of a Cartesian Coordinate System - ANSWER-three perpendicular planes XY, XZ, YZ
Elements of a Cylindrical Coordinate System - ANSWER-polar axis (A)
longitudinal axis (L)
radial distance (Rho)
height (z)
angular coordinate (phi)
Elements of a Spherical Coordinate System - ANSWER-radial distance (r)
polar angle: ZY-Axis (theta)
azimuthal angle XY-Axis (phi)
Distance - ANSWER-Measure of the length of the path followed (Scalar) regardless of direction
Displacement - ANSWER-Change in position (Vector)
Speed - ANSWER-Rate of change of distance traveled with respect to time (Scalar)
Velocity - ANSWER-Rate of change of displacement with respect to time (Vector)
Acceleration - ANSWER-Rate of change of velocity with respect to time (Vector)