Hi there, how do we get the formula a = (L/2)*alpha...(I circled
it in red), ALSO, what acceleration is that(the acceleration I
indicated with a green arrow) referring to? Why don't we indicate
normal and tangential acceleration at end B?? Please let me know if
my questions make sense...
Hi There How Do We Get The Formula A L 2 Alpha I Circled It In Red Also What Acceleration Is That The Acceler 1 (44.89 KiB) Viewed 22 times
PROBLEM 16.79 A uniform rod of length L and mass m is supported as shown. If the cable attached at B suddenly breaks, determine (a) the acceleration of end B, (b) the reaction at the pin support. B SOLUTION 0 = 0, a = -C A ID G B 182 A = Wem G B & m NIT NI NIN wž = Ta + ma 2 EMA = (MA)er: w L 1 -mla + m m 15 2 12 L mg mla, 2 , mg O 2 a =- 2 L L + EF, = E(F): A - mg = -mā =-ma = eff bo L 4-mg = -ml 2 2 L A-mg =--mg 4 A=--mg A-mg - 4 a; = a, +aBA = 0 + La =a 4 ag = 2 11 3 g 21 1 B g
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