College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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- A uniform 23.0 kg chain 2.00 mm long supports a 50.0 kg chandelier in a large public building. 1)Find the tension in the top link of the chain. 2)Find the tension in the bottom link of the chain. 3)Find the tension in the middle link of the chainarrow_forward1. The lateral head and the medial head of the gastrocnemius muscle pull on the Achilles tendon, as shown. The medial head T₁ and lateral head T₂ apply a force of 180 N and 190 N, respectively. y T₁ Gastrocnemius 20° ✔N 30° (a) Calculate the net force experienced by the Achilles tendon. Enter to 3 significant figures Magnitude of net force = T₂ X Achilles Tendon b) What direction is the net force acting on the Achilles tendon? Enter the angle with respect to the y- axis. A negative angle means the force is angled to the left of the y-axis and a positive angle means to the right of the y-axis. Note that T₁ = 180 and T₂ = 190. Enter to 3 significant figures Angle of the net force with respect to y-axis = ✔degreesarrow_forward2.) Please help with equation, gravity is g=32.2 ft/sec^2 or g=9.81 m/sec^2arrow_forward
- 4. You have been tasked with retrieving a crate from a 4-m long beam that is suspended by two cables, as shown. While standing 1.5 m from the left edge of the beam, you silently hope that the cables are strong enough to hold the weight of the beam, the box, and you! The masses of the beam and you are 10 kg and 70 kg, respectively. The cables are rated for a tension of 1000 N. Do the cables hold? In other words, what is the tension in each cable? Hint: you can assume the box is sitting on the very end of the beam. 30° 20° 4.0 marrow_forward4. A horizontal force F is being used to push an object up a smooth inclined plane. The angle between the plane and the horizontal is 0. The normal force is (a) mg cos+ F cos 0 (b) mg cos 0 (c) mg cos 0 F sin 0 (d) mg cos 0+F sin 0 (e) mg cos 0 F cos 0arrow_forward4-arrow_forward
- A 76 kg person is being pulled away from a burning building as shown in figure. If the tensions in the two ropes when the person is momentarily motionless are equal T1=T2 and one of the two angels shown in figure is 30 degrees. a) find the other angle b) calculate the tension in the ropearrow_forward1. In each case, three forces act on a 1 kg object to give it the specified acceleration, but only two are shown. Note that the grid has units of 1 N. Draw in the missing vector (F3). F,(N) Fy(N) F, (N) T F1 F;(N) F(N) F(N) a) b) c) = 0 m/s? az = 0 m/s² az = +1 m/s² Ax ay = +2 m/s² Ay = –1 m/s² ay = -2 m/s² %3Darrow_forward4. The system shown in the following figure is in static equilibrium and the angle = 31°. Given that the mass m₁ is 8.70 kg and the coefficient of static friction between mass m₁ and the surface on which it rests is 0.33, what is the maximum mass that m₂ can have for which the system will still remain in equilibrium? kg Ө m₁ m₂arrow_forward
- 1. If M = 6.0 kg, what is the tension in string 1 and 2? 30% 60° Marrow_forward/--/ A mass is suspended as shown in the diagram, with M = 18 kg and 0₂ = 28. Find the three tensions. 0₂ T₁ 15. T₁ A. 331.8 N 337.1 N ن کو ہے B. C. 293_N 1-1 16. T₂ A. B. C. /--/ 469.9 N 375.7 N 276.9 N T₂ T₁ M D. 73.3 N E. 504.1 N F. 515.3 N D. 346.4 N E. 297.5 N F. 304.8 Narrow_forward1) A 75-kg crane is suspended through a frictionless pulley to a massless pole at two points, each point is an end of two cables, and the left cable has an angle to the pole of 25 degrees while that of the right angle has an angle of 15 degrees. Each cable passes over a frictionless pulley. What is the tension force of the left cable? What is the tension force of the right cable? Draw a free-body diagram of the problem. Identify the known information. Identify the unknown information. Write the equations to solve for the unknown information. Calculate. Encircle your final answer with the appropriate units.arrow_forward
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