For this position, what torque is created by the weight about her knee joint axis? b. If the moment arm of the knee extensor muscles is 4 cm about the knee joint axis, what amount of force must these muscles produce to hold the leg in the position described

Q: Beam has a mass of 75.0 kg. ? =85.0? ? =150.0? ? =125.0? 123 Locate the center of gravity of the…

A: Given forces are, F1=85 N F2=150 N F3=125 N The mass of beam is m=75 kg.

Q: A patient rehabilitating a knee injury performs knee extension exercises while wearing a 35 N weight…

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Q: The drawing shows a person (weight, W= 584 N) doing push-ups. Find the normal force exerted by the…

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Q: A wrench 0.3 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is…

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Q: The moment of inertia of the top shown in the figure is 6.00×10–3 kg.m2 and is initially at rest.…

A: Given data:  Moment of inertia (I) = 6.00 × 10-3 kg.m2 Tensile force (F) = 6.87 N The rope pulled…

Q: The body in the figure is pivoted at O, and two forces act on it as shown. If r = 2.03 m, r2 = 3.93…

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Q: PROBLEM 1-A uniform beam (uniform rod) is being used to support a sign: Suddenly, theifmas…

A: The objective of the question is to find the angular acceleration of the beam at the moment the…

Q: A 1200 kg, 20m long heavy bridge is being held by the tension T in a cable. What is the required…

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Q: The tune-up specifications of a car call for the spark plugs to be tightened to a torque of 38 Nm.…

A: We know that the torque is the product of perpendicular component force and the length. To find the…

Q: The 100 kg skier’s knee can withstand a lateral torque of 500 N∙m before dislocating. As the skier…

A: Step 1:Step 2:Step 3:Step 4:

Q: A hamster sits 0.10 m from the center of a lazy Susan of negligible mass. The wheel has an angular…

A: distance, r = 0.1 m , angular velocity, ω = 1 rev/s distance, r' = 0.3 m

Q: The 29-N force P is applied perpendicular to the portion BC of the bent bar. Determine the moment of…

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Q: How much torque would it take to make the wheel speed up from rest to 1.5 rev/sec in 10 sec? b. Now…

A: The moment of inertia of a rigid body is the sum of the products of the masses of all the particles…

Q: Problem 6: Rotational Dynamics - Torque A 0u cm, uniform, 50 N shelf is supported horizontally by…

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Q: What is the torque about your shoulder axis if you hold a 10.0 kg barbell in one hand straight out…

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Q: PROBLEM 1-A uniform beam (uniform rod) is being used to support a sign: Suddenly, thefama horizontal…

A: The objective of this problem is to find the angular acceleration of the beam at the moment the…

Q: 15 F The wheels shown in the figure, have radii a=10 cm and b=15 cm. Find the net torque on the…

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Q: String is wrapped around the outer rim of a solid uniform cylinder that is free to rotate about a…

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Q: PHY210: TUTORIAL 2 (WEEK 3) What is the sum of all the torques at point D in figure below? 30N 10cm…

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Q: To tighten a bolt, you push with a force of 85 N at the end of a wrench handle that is 0.35 m from…

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Q: Assignment 3 1. 30 N - 30 N 5.0 5.0 ст cm 20 N 20 N The 20-cm-diameter disk can rotate on an axle…

A: Introduction: Torque is a twisting force that is responsible for the rotation of object, and torque…

Q: The forearm in the figure(Figure 1) accelerates a 3.8 kg ball at 7.1 m/s² by means of the triceps…

A: GIVEN                 mass of ball = 3.8 kg                 acceleration = 7.1 m/s2

Q: A seasaw is in the rotational equilibrium. Net torque on the seasaw is measured to be   A. 9.8 Nm…

A: A seesaw is in rotational equilibrium.Net torque on the seesaw is measured to be   A. 9.8 Nm…

Q: A uniform stone block of mass M with a L height of 2L and a width of L is being pushed with a force…

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Q: A child raises her arms to balance on a beam. This action makes it easier for her to balance because…

A: The moment of inertia of a child describes how much that child can resist the rotation. The moment…

Q: A 4.0 m long board with uniform density has mass 75 kilograms and is laid horizontally atop 2…

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Q: 2. Consider a 15-lb, thin, square plate 2½ feet along each side. You wish to modify this plate to…

A: Given data: The weight of the square plate is  W=15 lb=6.8  Kg length of sides of the square plate…

Q: 1. A rod is fastened to a wall on the left by a frictionless pivot point as shown in the figure to…

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Q: Hinge 6. Two Identical twins pull on each side of a door that is 60 cm in length from hinge to end…

A: Solution:-Given that

Q: . A thin rectangular plate is acted upon by 4 forces as shown. The 200 N makes an angle of 30…

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Q: Determine the magnitude of the torque exerted about point P by m1 m2 m3

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Q: The Achilles tendon inserts on the calcaneus (heel bone) at a distance of 8 cm from the axis of the…

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Q: Elements of the lower arm are shown in the figure. The weight of the forearm is Q = 55 N and its…

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Q: 5. Torque. A square metal plate 0.180 m on each side is pivoted about an axis through point 0 at its…

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Q: A uniform beam of weight 12 N and length 10 m is mounted by a small hinge on a wall. The beam is…

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Q: A meterstick of negligible mass is pivoted at the 0.60 m mark with a 2.0 kg blue bag on one end and…

A: Dear student The torque is defined as: Torque = Force × perpendicular distance

Q: . The graph below is for a 30 kg'm² object. w(rad's) 60.0 50.0 40.0 30.0 20.0 10.0 -10.0 -20.0 2.0…

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Q: A I S40-kg automobile has a wheel base (the distance between the asles) of 280 m. The automobile's…

A: Given: Mass,m=1540kgDistance between the axle,d=2.80mAcceleration due to gravity,g=9.8m/s2Center of…

Q: Figure below shows a rod that is free to rotate about its center of mass. A force F, = 18 N is…

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Q: Figure below shows a rod that is free to rotate about its center of mass. A force F, = 20 N is d, =…

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Q: of diameter 0.350 m with respect to an axis passing through the center as shown in the figure. The…

A: The diameter of the disk = 0.350  The force F1 = 11.9 N is perpendicular to the edge of the disk…

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.