IET 450 Midterm 74 Approved solutions by expert Tutor.

IET 450 Midterm 74 Approved solutions
by expert Tutor.
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)