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Unformatted text preview: CURVILINEAR MOTION: CYLINDRICAL COMPONENTS Todays Objectives: Students will be able to: 1. Determine velocity and acceleration components using cylindrical coordinates. InClass Activities: Check Homework Reading Quiz Applications Velocity Components Acceleration Components Concept Quiz Group Problem Solving Attention Quiz READING QUIZ 1. In a polar coordinate system, the velocity vector can be written as v = v r u r + v u = r u r + r u . The term is called A) transverse velocity. B) radial velocity. C) angular velocity. D) angular acceleration. . . . 2. The speed of a particle in a cylindrical coordinate system is A) r B) r C) (r 29 2 + ( r) 2 D) (r 29 2 + ( r) 2 + ( z) 2 . . . . . . . APPLICATIONS The cylindrical coordinate system is used in cases where the particle moves along a 3D curve. In the figure shown, the box slides down the helical ramp. How would you find the boxs velocity components to know if the package will fly off the ramp? CYLINDRICAL COMPONENTS (Section 12.8) We can express the location of P in polar coordinates as r = r u r ....
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 Spring '10
 Nohra
 Dynamics

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