Question

Now, consider different machine, with pulley's radius of 75 mm. Determine reactions at A and B. 7. B A 125 mm 75 mm 300 mm -300 mm 240 N a. Draw FBD of entire machine and set up three equations. Try to do your own work Solutions: Free body: Entire frame and pulley: 600 Dincsions n m 20M - ) ΣΜ, -0: (240 N) (75 mm)+ A, (600 mm) C 30.0 N A 30.0 N 4, +EF-0: B - 4, -0 B A (1) +1F, B, 270 N B-30 N 240 N 0 0: b. Draw FBD of member ABC and set up three equations. Try to do your own work

Answer 1

entee machine FBD VB ,15mm HA 300m 240N 3o e mm VA, VB, MA, Hg Ond 240N Pull ort, erlemal fones acthy EMAO Vsx6o0 oy 8η 20 135 270 N. LD Ve +240 21D VA 30 N MA HB Nou. f8D Postion ACD D in istermal hindge Ao momet about t ut behe) 30 HA A about Peint D Balonciny mo ment 125 HD EMo-o 940x 75+HAX2DO-30x300 o MA= 17100 -855N 200