3. The resultant of the three forces acting along the members of the truss is the force R = 200k lb. DetermineP1,P2 and P3. P2 32 in. B 15 in. 15 in. 20 in. P3 D

2:04 Laz ו 59% ב Statics assignment 1.pub soln.pdf Problem Number 3: The block shown in the figure below is acted on by its weight, W = 650 KN, a horizontal force H = 450 KN., and the pressure P exerted by the inclined plane. The resultant R of these forces is parallel to the incline. Determine the Forces P and R. Does the block move up or down the incline? Y-axis W = 650 KN P = ? X axis H = 450 KN H=450 KN 35° 40° P= ? W=650 Forces X- Component Y- Component W = 650 KN Wx = -650sin 35 Wy = -650 cos 35 -372.824 -532.449 H = 450 KN Hx = 450 cos 35 Hy = - 450 sin 35 368.618 - 258.109 P = ? Px = - P sin 5 Py = P cos 5 S Rx =R 0.000 PREVIOUS 3/3 NEXT II

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Email: Diaa.sabeeh@uond An.cdu.lq Assist. Lec Dheyaa Al-Saedi Q10/ The steel Cable AB and AC are attached to the top of the transmission tower. The tension force in cable AC is 8 kN. Determine the required tension force in Cable AB, such that net effect of the two cable tensions is downwards force at Point A as shown in the figure. Then determine the magnitude force R of these downwards forces? Ans: FAB= 5.68 kN, R 10.21 kN 40 m B 20 m 40 m 50 m

Email: Diaa.sabeeh@uomisan.edu.iq Assist. Lec Dheyaa Al-Saedi Q10/ The steel Cable AB and AC are attached to the top of the transmission tower. The tension force in cable AC is 8 kN. Determine the required tension force in Cable AB, such that net effect of the two cable tensions is downwards force at Point A as shown in the figure. Then determine the magnitude force R of these downwards forces? Ans: FAB= 5.68 kN, R 10.21 kN 40 m 20 m 50 m 40 m B.

Base on the illustration. What must be true of all these force for the body tobe in equilibrium?

Q2/ In the nucleus pulposus of an intervertebral disc, the compressive load is 1.5 times the externally applied load. In the annulus fibrosus, the compressive force is 0.5 times the external load. What are the compressive loads on the nucleus pulposus and annulus fibrosus of the L5-S1 intervertebral disc of a 90 kg man holding a 50 kg weight bar across his shoulders, given that 63% of body weight is distributed below the disc?

Email: Diaa.sabech@uomisan.edu.iq Assist. Lec Dheyaa Al-Saedi Q10/ The steel Cable AB and AC are attached to the top of the transmission tower. The tension force in cable AC is 8 kN. Determine the required tension force in Cable AB, such that net effect of the two cable tensions is downwards force at Point A as shown in the figure. Then determine the magnitude force R of these downwards Ans: FAB= 5.68 kN, R-10.21 kN forces? 40 m 20 m 50 m 40 m