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The total mass of arm of elbow is 49 kg. Arm AE and EB are welded...
The total mass of arm of elbow is 193 kg. Arm AE and EB are welded...
The total mass of arm of elbow is 193 kg. Arm AE and EB are welded together. The elbow is held in balance, with the CD cable, A ball and socket joint and B slider, to remain in the horizontal plane. Calculate scalar value of the force T on the cable CD ( in Newton). 2 m 2 m 2 m ch m 2 m
Constants A 71.0 kg weight lifter is doing arm raises using a 7.50 kg weight in...
Constants A 71.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her hand. Her arm pivots around the elbow joint, starting 40.0 below the horizontal. (See the figure(Figure 1).) Biometric measurements have shown that both forearms and the hands together account for 6.40 % of a person's weight. Since the upper arm is held vertically, the biceps muscle always acts vertically and is attached to the bones of the forearm 5.50 cm from the elbow...
Part A A 75.0 kg weight lifter is doing arm raises using a 7.50 kg weight...
Part A A 75.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her hand. Her arm pivots around the elbow joint, starting 40.0° below the horizontal (See the figure(Figure 1).) Biometric measurements have shown that both forearms and the hands together account for 5.75 % of a person's weight. Since the upper arm is held vertically, the biceps muscle always acts vertically and is attached to the bones of the forearm 5.50 cm from the...
A 75.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her...
A 75.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her hand. Her arm pivots around the elbow joint, starting 40.0 below the horizontal. (See the figure (Figure 1).) Biometric measurements have shown that both forearms and the hands together account for 5.75% of a person's weight. Since the upper arm is held vertically, the biceps muscle always acts vertically and is attached to the bones of the forearm 5.50 cm from the elbow Part...
Referring to diagram below, the 2.4m, 3.6kN rod is held by a ball-and-socket joint at C(ie there is no moment existing at C) by two cables AD and AE (a) Express AD and AE in vector format, (b) D...
Referring to diagram below, the 2.4m, 3.6kN rod is held by a ball-and-socket joint at C(ie there is no moment existing at C) by two cables AD and AE (a) Express AD and AE in vector format, (b) Determine the tension in each cable, (c) and the force acting on the support at C in vector format 0.8 m 0.8 m 0.6 m 1.2 m 1.2 m 3,6 kN 1.2 m
Referring to diagram below, the 2.4m, 3.6kN rod is...
Problem #3. Two steel pipes ABCD and EBF are welded together at B to form the...
Problem #3. Two steel pipes ABCD and EBF are welded together at B to form the boom shown. The boom is held by a ball-and-socket joint at D and by two cables EG and ICFH; cable ICFH passes around frictionless pulleys at C and F. For the loading shown, determine the tension in each cable and the reaction at D 25m 3.4 m 1.85m 360 N
A load of 10 kg is held in one hand, with the lower arm horizontal. The...
A load of 10 kg is held in one hand, with the lower arm horizontal. The lower arm has mass 1.5 kg The distance from the elbow to the hand is 30 cm and the COM can be assumed to be 40% of this distance (from E to H). a) What is the external static elbow moment? (31.2 Nm) b) If the biceps muscle acts with a perpendicular moment arm of 5cm, what force must it generate in order to...
How much force (in N) must the biceps muscle exert when a 25.0 kg mass is...
How much force (in N) must the biceps muscle exert when a 25.0 kg mass is held in the hand in a stationary position when the arm is 17.4° below the horizontal? Assume the mass of the forearm is 2.46 kg. Distances relative to the elbow joint are reb = 5.12 cm; recg = 16.5 cm; ren = 37.5 cm where the distances are: eb = elbow—biceps; ecg = elbow—forearm center of gravity; eh = elbow-hand. A marble column 0.890...
3. The figure shows an outstretched arm with a mass of 4.2 kg. The arm is...
3. The figure shows an outstretched arm with a mass of 4.2 kg. The arm is 56 cm long, and its center of gravity is 21 cm from the shoulder. The hand at the end of the arm hold a mass of 6.0 kg. (a) What is the torque about the shoulder due to the weights of the arm and the 6.0 kg mass? (b) If the arm is held in position by the deltoid muscle, whose force on the...
biceps 2) Suppose that the dumbbell has a mass of 10.0 kg (so its weight equals...
biceps 2) Suppose that the dumbbell has a mass of 10.0 kg (so its weight equals 98.0 N) and the arm that holds it has a mass of 2.2 kg (with a weight of 21.6 N). The weight acts 3.0 cm from the elbow joint and we can think of all of the mass of the arm as at a distance of 14.0 cm from the elbow. Find the force in the biceps muscle if it attaches 3.1 cm from...
The total mass of arm of elbow is 193 kg. Arm AE and EB are welded together. The elbow is held in balance, with the CD cable, A ball and socket joint and B slider, to remain in the horizontal plane. Calculate scalar value of the force T on the cable CD ( in Newton). 2 m 2 m 2 m ch m 2 m
Constants A 71.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her hand. Her arm pivots around the elbow joint, starting 40.0 below the horizontal. (See the figure(Figure 1).) Biometric measurements have shown that both forearms and the hands together account for 6.40 % of a person's weight. Since the upper arm is held vertically, the biceps muscle always acts vertically and is attached to the bones of the forearm 5.50 cm from the elbow...
Part A A 75.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her hand. Her arm pivots around the elbow joint, starting 40.0° below the horizontal (See the figure(Figure 1).) Biometric measurements have shown that both forearms and the hands together account for 5.75 % of a person's weight. Since the upper arm is held vertically, the biceps muscle always acts vertically and is attached to the bones of the forearm 5.50 cm from the...
A 75.0 kg weight lifter is doing arm raises using a 7.50 kg weight in her hand. Her arm pivots around the elbow joint, starting 40.0 below the horizontal. (See the figure (Figure 1).) Biometric measurements have shown that both forearms and the hands together account for 5.75% of a person's weight. Since the upper arm is held vertically, the biceps muscle always acts vertically and is attached to the bones of the forearm 5.50 cm from the elbow Part...
Referring to diagram below, the 2.4m, 3.6kN rod is held by a ball-and-socket joint at C(ie there is no moment existing at C) by two cables AD and AE (a) Express AD and AE in vector format, (b) Determine the tension in each cable, (c) and the force acting on the support at C in vector format 0.8 m 0.8 m 0.6 m 1.2 m 1.2 m 3,6 kN 1.2 m
Referring to diagram below, the 2.4m, 3.6kN rod is...
Problem #3. Two steel pipes ABCD and EBF are welded together at B to form the boom shown. The boom is held by a ball-and-socket joint at D and by two cables EG and ICFH; cable ICFH passes around frictionless pulleys at C and F. For the loading shown, determine the tension in each cable and the reaction at D 25m 3.4 m 1.85m 360 N
A load of 10 kg is held in one hand, with the lower arm horizontal. The lower arm has mass 1.5 kg The distance from the elbow to the hand is 30 cm and the COM can be assumed to be 40% of this distance (from E to H). a) What is the external static elbow moment? (31.2 Nm) b) If the biceps muscle acts with a perpendicular moment arm of 5cm, what force must it generate in order to...
How much force (in N) must the biceps muscle exert when a 25.0 kg mass is held in the hand in a stationary position when the arm is 17.4° below the horizontal? Assume the mass of the forearm is 2.46 kg. Distances relative to the elbow joint are reb = 5.12 cm; recg = 16.5 cm; ren = 37.5 cm where the distances are: eb = elbow—biceps; ecg = elbow—forearm center of gravity; eh = elbow-hand. A marble column 0.890...
3. The figure shows an outstretched arm with a mass of 4.2 kg. The arm is 56 cm long, and its center of gravity is 21 cm from the shoulder. The hand at the end of the arm hold a mass of 6.0 kg. (a) What is the torque about the shoulder due to the weights of the arm and the 6.0 kg mass? (b) If the arm is held in position by the deltoid muscle, whose force on the...
biceps 2) Suppose that the dumbbell has a mass of 10.0 kg (so its weight equals 98.0 N) and the arm that holds it has a mass of 2.2 kg (with a weight of 21.6 N). The weight acts 3.0 cm from the elbow joint and we can think of all of the mass of the arm as at a distance of 14.0 cm from the elbow. Find the force in the biceps muscle if it attaches 3.1 cm from...
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