Answer questions 1-4 please

KIN 345 PRACTICE TORQUE PROBLEMS BIOMECHANICS REVIEW@ SAMPLE PROBLEM I ( P. 402 ) SOLUTIONS IN @ SAMPLE PROBLEM 2 ( P. 413) APPENDIX B @ SAMPLE PROBLEM 3 ( p. 414 ) @ FIGURE 13-22 (p. 418) 1. What magnitude force P must be applied to 4:7m maintain the system (at right) in the position shown? w weighs 110N 1.8 m 2. What torque is created by the combined effect of the two weight shown (at right)? D (AXIS) W1 = 30 N W2 = 60 N 35( Distances: DE - 22 cm E DF = 46 cm 3. How much force must the biceps brachif (with a moment arm of 3.5 cm) exert to maintain the BICEPS forearm in the position shown (at right)? BRACH II (Assume that the biceps brachil is the only elbow flexor involved) Weight of the combined forearm/hand = 22 N ELBOW Center of gravity located at point T as indicated AXIS DISTANCE FROM ELBOWS AXIS TO T = 18 cm. 40 4 How much force must the quadriceps ( with a moment arm of 3.8 cm ) exert to maintain the shank in the position shown ? weight of the combined shank/ foot = 58 N B = 410 center of gravity located at point A . 24.6 cm KNet