Question

a. 11. For the following four-bar linkage, using both graphical and complex numbers, If 02=60° find 0. (angle bar 3 makes with horizon) and r4 b. If wz=10rpm then find ws and slider velocity. А 5cm 12 7cm 2 r3 O 3 2cm у ri r4 B 4

Answer 1

Solar Given 2 - 2am 1₂= sum 7 Cum A Scom Tun B 2 con of Singo + 2 = AB sin o3 * (s sinso) + 2 = (A Sin O) 9.64.7 27 ru a (O A Cos 66) + (AB Cond) My 2 s. 488 cm

JA = w x žalo 13 1.047 rad 11 27 x 10 60 93 -1.047 an rad VA 1047 e) re ino (o.os con bil î + (0.05 Bin 66) } 0.025 i + 0.0433 (- 6047 10472) x (oorsi + 0.0433 }) A 0.026175 + 0.04533 Now, for link الر VB AB B/A A 64.73' To VA î (assume) 64.73 a han WARA (assume لر) UNA = AB cos 64.73) CAB sin 64.73) 10 0.02988 0.0633

Noi = 0.0453] î - 0.0 26 175 ? + (WAB R) × (0.02 988 i * (0-02928 Ê - 0-06319) a voi = 0.04533 l _ 0.0 261757 + 0-02988 WAR Î + 0.0633 WAR Confaring ê & components WAB 0.876 rad VB z 0.1 sle NAB 8.365 rpm Auswers 2 0.876 X الى مر jo o.l im 2.