102_Dynamics 11ed Manual

102_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 12 rb c θ + = r' c ' = r'' 0 in s 2 = '' 0 rad s 2 = v r r' = v r ' = a r r'' r ' 2 = a r '' 2 r' ' + = v r 0.955 in s = v 21 in s = a r 63 in s 2 = a 5.73 in s 2 = Problem 12–139 The slotted fork is rotating about O at the rate ' which is increasing at θ '' when = 1 . Determine the radial and transverse components of the velocity and acceleration of the pin A at this instant. The path is defined by the spiral groove r = (5 + / π ) in., where is in radians. Given: ' 3 rad s = '' 2 rad s 2 = b 5in = c 1 in = 1 2 rad = Solution: θθ 1 = c + = r' c ' = r'' c '' = v r r' = v r ' = a r r'' r ' 2 = a r '' 2 r' ' +
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This note was uploaded on 08/16/2011 for the course EGN 3321 taught by Professor Christianfeldt during the Spring '08 term at University of Central Florida.

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