20 An excavator shown in Figure Q1 (b) was in an equilibrium position. Assume support/connection at all points is a pin joint. Mass of the body is negligible unless stated by M. Taking into consideration of Newton's third law where applicable, draw the Free Body Diagram (FBD) for the member DEFH and the bucket. TM SOALAN 1 (b) Sebuah jengkaut yang ditunjukkan dalam Rajah S1 (b) berada dalam kedudukan tetap. Andaikan sokongan/sambungan semua titik adalah sokongan sambungan pin. Jisim badan boleh diabaikan melainkan dinyatakan oleh M. Dengan mengambil kira undang-undang ketiga Newton pada yang berkenaan, lakarkan Gambar rajah Badan Bebas (GBB) untuk anggota DEFH dan skop jengkaut. ™M TM UTM Mi CG OUT ITC M UT U U

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