15° Deltoid 17 cm 38 cm FIGURE P8.49

Q: When tightening a bolt, you push perpendicularly on a wrench with a force of 167 N at a distance of…

A: Given, Force, F=167N Distance, r=0.14m

Q: 1. A uniform beam is 6.0 m long and has a mass of 60 kg. The beam is supported in a horizontal…

A: Given: The length of the beam is 6 m. The mass of the beam is 60 kg. θ=130°

Q: A 8-m uniform beam of weight 120 N is supported by two ropes at the ends. If a 500-N person sits at…

A:

Q: A2 m long horizontal uniform beam of mass 16 kg is supported by a wire as shown in the figure. The…

A: Given, Length of beam l = 2 m Mass of beam is mbeam = 16 Kg Angle θ=29∘ Distance where mass attach x…

Q: A uniform beam is 5.00 m long and has a mass of 53.0 kg. The beam is supported in a horizontal…

A: Given:-

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: 0.3 m 0.7 m M Figure A2 If the mass of the plank is 9.4 kg what mass (M) is needed to balance the…

A:

Q: To tighten a bolt, you push with a force of 100 Nat the end of the wrench handle that is 0.5 m from…

A: Given, force =100 N Distance from the end of wrench of handle to axis of bolt, r  = 0.5m We know…

Q: 1. A person holds a 50.0-N sphere in his hand. The forearm is horizontal. The biceps musde attached…

A:

Q: A. Who should sit farther from the center of a uniform seesaw, a 93-kg man or his 33-kg son, for the…

A:

Q: The chewing muscle, the masseter, is one of the strongest in the human body. It isattached to the…

A: To find the force exerted by socket on mandible and masseter we first draw the Freebody diagram…

Q: A 200-kg robotic arm at an assembly plant is extended horizontally (see figure below). The massless…

A:

Q: 3. Two masses are attached to a uniform meter stick as shown in the figure below. The masses of m1…

A:

Q: A man holds a 175-N ball in his hand, with the forearm horizontal (see the drawing). He can support…

A:

Q: 1. A 1500-kg car has 3.5 m between its front and rear axles. When parked on a horizontal floor, it…

A: Draw the free body diagram of the car.

Q: A student lies on a very light, rigid board with a scale under each end. Her feet are directly over…

A:

Q: (a) A student stands distance d = 0.375 m from the left end of a beam as shown in the figure. The…

A:

Q: 1. A8.0 m long, non-uniform beam weighing 750 N, supported by two weightless cables, is at rest in…

A:

Q: A woman is pushing a load in a wheelbarrow, as shown. The combined mass of the wheelbarrow and the…

A: Given The combined mass of the wheelbarrow and the load is m = 110 kg. The distance between the…

Q: A 20.0-kg uniform plank is supported by the floor at one end and by a vertical rope at the other as…

A: Draw the free-body diagram of the system.

Q: Two people carry a heavy electric motor by placing it on a light board 2.10 m long. One person lifts…

A:

Q: A construction worker attempts to lift a uniform beam off the floor and raise it to a vertical…

A: The beam is 1.88 m long and weighs 490 N.. At a certain instant the worker holds the beam…

Q: 1.A vault is opened by applying a force of 300 N perpendicular to the plane of the door, 0.80 m from…

A: 1.Write the expression for torque.

Q: Many aspects of a gymnast's motion can be modeled by representing the gymnast by four segments…

A: Using the table provided in the question, determine x and y coordinate of the center of gravity of…

Q: 4. A uniform ladder of mass (m = 12.5 kg) and length (L) leans against a frictionless wall, see…

A: Given that:- Mass of ladder=12.5kg

Q: Force F2 acts half as far from the pivot as F1. What magnitude of F2 causes the net torque on the…

A:

Q: 5 kips/ft, M = 255 kip-ft, L1 = 12 ft, L2 = 3 ft, Determine the magnitude of the vertical force A,…

A: Draw the free body diagram.

Q: In the figure, (b) shows arrows of lengths re locating the center of gravity of each segment. Use…

A: Analyze the following figure, The coordinates of the center of gravity (c.o.g) for given respective…

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

A:

Q: (a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of…

A: (a) We know that torque is given by, τ=rFsinθ   Substitute the given values, τ=0.850 m55.0 Nsin90°…

Q: Anna is pulling the spring balance on the left while Bryle is pulling it on the right as shown in…

A: Given, Anna is pulling the spring balance on the left while bryle is pulling it on the right as…

Q: A person who weighs 775 N supports himself on the ball of one foot. The normal force N = 775 N…

A:

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: 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: What is the value of the force F (N) required to balance the system in the figure? M=19 kg and F…

A:

Q: 1. Where must a 1 kN object be hung on a uniform, horizontal, rigid 200 N pole so that a girl…

A:

Q: 1. A museum of modern art is displaying an irregular 426-N sculpture by hanging it from two thin…

A:

Q: Figure is attached (a) A person stands a distance d = 0.475 m from the left end of a plank as shown…

A: Given data: The weight of person is W=705 N. The distance of man is d=0.475 m. The length of board…

Q: When you carry shopping bags, rather than grasp the handles with your hand as in Q8.14a, you might…

A: For a given set of grocery bags the torque they produce about a person's elbow will be larger the…

Q: Thigh Arm 60 Leg 60° Torso In the figure, (b) shows arrows of lengths r locating the center of…

A:

Q: 1. Draw a FBD to determine the elbow moment of force necessary to maintain the forearm in a…

A: Here T is the tension of muscle holding the forearm, mg is the weight of the forearm acting at…

Q: A. Does the pivot point exert a force in the ruler? Does it exert a nonzero torque about the pivot?…

A: Newton's third law: It states that " Every action have their equal and opposite reaction". In the…

Q: Calculate the force the biceps muscle must exert to hold the forearm and its load as shown in…

A: The toque due to weights are clockwise relative to the pivot, while the torque created by the biceps…

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.