Triceps muscle Free-body diagram Biceps muscle PHYSICS FB m, = 4.0 kg CG W. m, = 2.5 kg CG 4.0 cm Wa 16 cm 38 cm (a) CG FB W. CG Wa (b)

Q: What is the use of segmental method in center of gravity, by using the same method determine the…

A: Once the center of gravity (COG), or center of mass, is determined for the body or group of segments…

Q: The arm in the figure below weighs 39.8 N. The force of gravity acting on the arm acts through point…

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Q: A man holds a 183-N ball in his hand, with the forearm horizontal (see the figure). He can support…

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Q: A typical horse weighs 5000 N. The distance between the front and rear hooves and the distance from…

A: It is given that,

Q: 6. If you hold your arm outstretched with palm upward, as in the figure, the force to keep your arm…

A: Given data: mass of the arm m = 4kg The angle which deltoid makes with arm θ=15° Distance  r1=38…

Q: Even when the head is held erect, as shown in the figure, its center of mass is not directly over…

A: At erect position of head, its center of mass is not directly over the principal point. Here we…

Q: В A cook holds a 1.72-kg carton of milk at arm's length (see the figure below). What force Fa must…

A: Consider a carton of milk of mass m(1.72 kg) and it is placed at the distance l from the joint(axis…

Q: A man holds a 169-N ball in his hand, with the forearm horizontal (see the figure). He can support…

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Q: 7. The horizontal stick of length, L, shown in the figure is uniform and weighs 200 N. Calculate the…

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Q: The center of mass of the arm shown in the figure is at point A. Find the magnitudes (in N) of the…

A: Given data The angle of inclination of tension for is θ = 22.0°. The weight of the arm is Fg = 42.9…

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

A: Given data:    Fg1=390 N  Fg2=300 N Distance Between the forces, d=2.0 m

Q: Milk 75.0° B. -25.0 cm- 8.00 cm

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Q: The mass center Gof the 1200-kg rear-engine car is located as shown in the figure. Determine the…

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Q: A man holds a 180-N ball in his hand, with the forearm horizontal (see the figure). He can support…

A: Write down the given values using a suitable variable. Here Wb signifies ball weight, and Wa…

Q: Even when the head is held erect, as shown in the figure, its center of mass is not directly over…

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Q: Q/ For the beam shown in the figure below, draw shear force and bending moment diagrams. P(KN) =50 M…

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Q: Scientists have studied how snakes grip and climb ropes. In one study, they found that an important…

A: Let us look at the upper node. The tension everywhere in the rope supporting mass M be T3=mg. This…

Q: The leg and cast in the figure below weigh 250 N, with the center of mass as indicated by the blue…

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Q: A person working at a drafting board may hold her head as shown in Figure shown, requiring muscle…

A: Let Fm=force by upper vertebrae W=weight Therefore the force in z direction will be,

Q: The bones of the forearm (radius and ulna) are hinged to the humerus at the elbow. The biceps muscle…

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Q: Even when the head is held erect, as in Figure shown, its center of mass is not directly over the…

A: a) Using the torque balance equation,

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

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Q: 100 3000 kg 30° Dooooo A 12.0 m boom, AB, of a crane lifting a 3000 kg load is shown above. The…

A: Given: The length of the boom is l = 12 m The mass of the load lifted by the crane is m1 = 3000 kg…

Q: A 75-kg man stands on his toes by exerting an upward force through the Achilles tendon, as in Figure…

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Q: ould therefore exert a force to keep the head erect. That is why your head falls forward when you…

A: Solution: Given that  w = 55 N, r1 = 4.8 cm, and r2 = 2.9 cm.) magnitude N direction (upward,…

Q: Even when the head is held erect, as shown in the figure, its center of mass is not directly over…

A: Torque is the moment of linear force. In simple words, it is the measure of how much rotation a…

Q: 3. Consider the system shown. A 5.00 m beam supports a mass of 3000 kg attached to a cable. The mass…

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Q: Even when the head is held erect, as in the figure below, its center of mass is not directly over…

A: Given that:W=48Nr1=4.8 cm=0.048 mr2=2.9 cm=0.029 m

Q: I Re A woman is pushing a load in a wheelbarrow, as in (Figure 1). The combined mass of the…

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Q: Triceps muscle 3 Biceps muscle m=25 kg cm 16 cm 38 cm Calculate the force the biceps muscle must…

A: Given : r1 = 4 cm = 0.04 m r2 = 16 cm = 0.16 m r3 = 38 cm = 0.38 m ma = 2.5 kg mb = 4 kg

Q: Suppose a horse leans against a wall as in Figure 5.35. Calculate the force exerted on the wall…

A: Four forces act on the horse and the rider: N, acting normal to the ground; w, weight acting towards…

Q: When a gymnast weighing 740 N executes the iron cross as in figure (a), the primary muscles involved…

A: Let the total force on arm is given  by Fm. Let the half weight of the gymnast is given by whalf.…

Q: Scientists have studied how snakes grip and climb ropes. In one study, they found that an important…

A: a) Analyze the following diagram. Applying Newton’s second law on the rope in the vertical…

Q: 12. A tightrope walker is standing still with one foot on the tightrope as shown in the figure. If…

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Q: The large quadriceps muscle in the upper leg ter- Quadriceps - Tendon minates at its lower end in a…

A: The forces are resolved into components parallel and perpendicular to the tibia, the magnitude of…

Q: The large quadriceps muscle in the upper leg terminates at its lower end in a tendon attached to the…

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Q: In the figure below, the biceps muscle exerts a force supporting a perpendicular forearm and a book.…

A: Given data: -  The force constant is k = 453 N/m. The angle of the forearm from horizontal is θ =…

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

A: Fg1=380 NFg2=260 NDistance between scales=2 mW=Total weight

Q: We analyzed the biceps muscle example with the angle between forearm and upper arm set at 90 (see…

A: Given Data :- The mass of the book is mb = 3.4 kg. The mass of the arm is ma = 2 kg. The distance…

Q: Suppose a horse leans against a wall as in Figure 5.35. Calculate the force exerted on the wall…

A:

Q: A man holds a 171-N ball in his hand, with the forearm horizontal (see the figure). He can support…

A:

Q: Even when the head is held erect, as shown in the figure, its center of mass is not directly over…

A: Given information:

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

A:

Q: A man holds a 195-N ball in his hand, with the forearm horizontal (see the figure). He can support…

A: Given: Weight of ball, Wb = 195 N Weight of forearm, Wf = 20.7 N distance between elbow joint and…

Q: - Triceps - Biceps - Radius Ulna c.g. 4.5 cm rE 15 cm 38 cm Figure 5

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Q: 11. In physiology studies, it is sometimes important to determine the location of a person's center…

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Q: As a swimmer pulls his arm through the water, various muscles exert forces on the upper arm. The…

A: Given data D=33cm = 0.33m d=7.30cm = 0.073m Fhand = 119 N

Q: A father lifts his child as shown in Figure shown. What force should the upper leg muscle exert to…

A: Suppose the father lifts the child and according to the figure we have certain values as written…

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.