12° T = 24 kN 82 20° T2 = 35 kN
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A pole is acted upon by two forces, T1 = 24 kN and T2 = 35 kN as shown in the figure. Which of the following is closest to the magnitude of the resultant R of the two forces?
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- The attached drawing shows two identical systems of objects, each consists of the same three small balls connected by massless rods. In both systems the axis is perpendicular to the page but it is located at different places as shown. The same magnitude of Force is applied to the same ball as indicated in the attached drawing. The masses of the balls are m1 = 9.5 kg; m2 = 6.2 kg; m3 = 7.3 kg. The magnitude of the force = 444N (a) For each of the two systems determine the moment of Inertia about the given axis of rotation (b) Calculate the torque, magnitude and direction, acting on each system (c) Both systems start from rest and the direction of the force moves with the system and always points along the 4.00 meter rod. What is the angular velocity of each system after 5.03 secondsCan somebody help pleaseWhen a person stands on tiptoe (a strenuous position), the position of the foot is as shown in Figure a. The total gravitational force on the body, F, is supported by the force g' n exerted by the floor on the toes of one foot. A mechanical model of the situation is shown in Figure b, where T is the force exerted by the Achilles tendon on the foot and R is the force exerted by the tibia on the foot. Find the values of T, R, and 0 when F = n = 780 N. (For 0, enter the smaller of the two possible values between 0° and 90°.) -Achilles tendon Tibia 15.0° 18.0 cm 25.0 cm b T = R =
- The vertical and horizontal poles at the traffic-light assembly are erected first. Determine the additional force and moment reactions at the base O caused by the addition of the three 120-lb traffic signals B, C, and D. Report your answers as a force magnitude and a moment magnitude. 27" 38' 27' 120 lb 120 Ib 120 lb Answers: O = i Ib Mo = i Ib-ftDetermine the resultant force magnitude, direction, and its angle from the x-axis for force components F1 & F2, components F2 & F3, and components F3 & F4. NOTE: must be solved using the parallelogram method, not the rectangularNeeds Complete solution with 100 % accuracy.
- Masses m₂, m₂, m3 and om are connected together as shown in the figure below. All the surfaces are smooth. If m₁ = 3.2kg, m₂ = 2.8kg, m3 = 3.8kg, om = 1.3kg and = 55°, calculate a) the acceleration of the system. b) the normal force between m3 and ōm. 7²1 7122 In+one 183When a person stands on tiptoe (a strenuous position), the position of the foot is as shown in Figure a. The total gravitational force on the body, F, is supported by the force n exerted by the floor on the toes of one foot. A mechanical model of the situation is shown in Figure b, where T is the force exerted by the Achilles tendon on the foot and R is the force exerted by the tibia on the foot. Find the values of T, R, and e when F, = n = 675 N. (For e, enter the smaller of the two possible values between 0° and 90°.) Achilles tendon Tibia 15.0° 18.0 cm 25.0 cm T = N R = N Need Help? Read ItIn the figure, a man is trying to get his car out of mud on the shoulder of a road. He ties one end of a rope tightly around the front bumper and the other end tightly around a utility pole 29 m away. He then pushes sideways on the rope at its midpoint with a force of 550 N, displacing the center of the rope 0.28 m from its previous position, and the car barely moves. What is the magnitude of the force on the car from the rope? (The rope stretches somewhat.)