College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 4, Problem 21CQ
If a leg is suspended by a traction setup as shown in Figure 4.30, what is the tension in the rope?
Figure 4.30 A leg is suspended by a traction system in which wires are used to transmit forces. Frictionless pulleys change the direction of the force T without changing its magnitude.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
A 1.9 kg otter starts from rest at the top of a
muddy incline 84.1 cm long and slides down
to the bottom in 0.60 s. What net external
force acts on the otter along the incline?
Answer in units of N.
Two masses are hanging from the ceiling as shown in the
figure. Mass M1 is 6.49 g. Mass M2 is 28.32 g. What is the
tension, in Newtons, in the bottom rope?
Two weights are hanging as shown in Figure 2.(a) Draw a free-body diagram of each weight.(b) Find the tension in cable A.(c) Find the tension in cables B and C.
Chapter 4 Solutions
College Physics
Ch. 4 - Propose a force standard different from the...Ch. 4 - What properties do forces have that allow us to...Ch. 4 - How are inertia and mass related?Ch. 4 - What is the relationship between weight and mass?...Ch. 4 - Which statement is correct? (a) Net force causes...Ch. 4 - Why can we neglect forces such as those holding a...Ch. 4 - Explain how the choice of the “Stem of interest”...Ch. 4 - Describe a situation in which the net external...Ch. 4 - A system can have a nonzero velocity while the net...Ch. 4 - A rock is thrown straight up. What is the net...
Ch. 4 - (a) Give an example of different net external...Ch. 4 - If the acceleration of a system is zero, are no...Ch. 4 - If a constant, nonzero force is applied to an...Ch. 4 - The gravitational force on the basketball in...Ch. 4 - When you take off in a jet aircraft, there is a...Ch. 4 - A device used since the 1940s to measure the kick...Ch. 4 - Describe a Situation in which one a force on and,...Ch. 4 - Why does an ordinary rifle recoil (kick backward)...Ch. 4 - An American football lineman reasons that it is...Ch. 4 - Newton's third law of motion tells us that forces...Ch. 4 - If a leg is suspended by a traction setup as shown...Ch. 4 - Ina traction setup a broken bone, with pulleys and...Ch. 4 - To simulate the apparent weightlessness of space...Ch. 4 - A cartoon shows the toupee coming off the head of...Ch. 4 - Explain, in terms of the properties of the four...Ch. 4 - What is the dominant force between astronomical...Ch. 4 - Give a detailed example of the exchange of a...Ch. 4 - A 63.0-kg sprinter starts a race with an...Ch. 4 - If the sprinter from the previous problem...Ch. 4 - A cleaner pushes a 4.50-kg laundry cart in such a...Ch. 4 - Since astronauts in orbit are apparently...Ch. 4 - In Figure 4.7, the net external force on the 24-kg...Ch. 4 - The same rocket sled drawn in Figure 4.31 is...Ch. 4 - (a) If the rocket sled shown in Figure 4.32 starts...Ch. 4 - What is the deceleration of the rocket sled if it...Ch. 4 - Suppose two children push horizontally, but in...Ch. 4 - A powerful motorcycle can produce an acceleration...Ch. 4 - The rocket sled shown in Figure 4.33 accelerates...Ch. 4 - Repeat the previous problem for the situation in...Ch. 4 - The weight of an astronaut plus his space suit on...Ch. 4 - Suppose the mass of a fully loaded module in which...Ch. 4 - What net external force is exerted on a 1100-kg...Ch. 4 - A brave but inadequate rugby player is being...Ch. 4 - Two teams of nine members each engage in a tug of...Ch. 4 - What force does a trampoline have to apply to a...Ch. 4 - (a) Calculate the tension in a vertical strand of...Ch. 4 - Suppose a 60.0-kg gymnast climbs a rope. (a) What...Ch. 4 - Show that, as stated in the text, a force F...Ch. 4 - Consider the baby being weighed in Figure 4.34....Ch. 4 - A 5.00105 -kg rocket is accelerating straight up....Ch. 4 - The wheels of a midsize car exert a force of 2100...Ch. 4 - Calculate the force a 70.0-kg high jumper must...Ch. 4 - When landing after a spectacular somersault, a...Ch. 4 - A freight train consists of two 8.00104 -kg...Ch. 4 - Commercial airplanes are sometimes pushed out of...Ch. 4 - A 1100-kg car pulls a boat on a trailer. (a) What...Ch. 4 - (a) Find the magnitudes of the forces F1 and F2...Ch. 4 - Two children pull a third child on a snow saucer...Ch. 4 - Suppose your car was mired deeply in the mud and...Ch. 4 - What force is exerted on the tooth in Figure 4.38...Ch. 4 - Figure 4.39 shows Superhero and Trusty Sidekick...Ch. 4 - A nurse pushes a cart by exerting a force on the...Ch. 4 - Construct Your Own Problem Consider the tension in...Ch. 4 - Construct Your Own Problem Consider people pushing...Ch. 4 - Unreasonable Results (a) Repeat Exercise 4.29, but...Ch. 4 -
Ch. 4 - A flea jumps by exerting a force of 1.20105 N...Ch. 4 - Two muscles in the back of the leg pull upward on...Ch. 4 - A 76.0-kg person is being pulled away from a...Ch. 4 - Integrated Concepts A 35.0-kg dolphin decelerates...Ch. 4 - Integrated Concepts When starting a foot race, a...Ch. 4 - Integrated Concepts A large rocket has a mass of...Ch. 4 - Integrated Concepts A basketball player jumps...Ch. 4 - Integrated Concepts A 2.50-kg fireworks shell is...Ch. 4 - Integrated Concepts Repeat Exercise 4.47 for a...Ch. 4 - Integrated Concepts An elevator filled with...Ch. 4 - Unreasonable Results (a) What is the final...Ch. 4 - Unreasonable Results A 75.0-kg man stands on a...Ch. 4 - (a) What is the strength of the weak nuclear force...Ch. 4 - (a) What is the ratio of the strength of the...Ch. 4 - What is the ratio of the strength of the strong...
Additional Science Textbook Solutions
Find more solutions based on key concepts
2. Define equilibrium population. Outline the conditions that must be met for a population to stay in genetic e...
Biology: Life on Earth (11th Edition)
Raw Oysters and Antacids: A Deadly Mix? The highly acidic environment of the stomach kills most bacteria before...
Microbiology with Diseases by Body System (5th Edition)
Distinguish between microevolution, speciation, and macroevolution.
Campbell Essential Biology (7th Edition)
WHAT IF? As a cell begins the process of dividing, its chromosomes become shorter, thicker, and individually vi...
Campbell Biology in Focus (2nd Edition)
1. Why is the quantum-mechanical model of the atom important for understanding chemistry?
Chemistry: Structure and Properties (2nd Edition)
1. What are the main organs of the skeletal system?
Human Anatomy & Physiology (2nd Edition)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- A 210-N mass is suspended from a horizontal beam by two cables that make angles of 29° and 53° with the beam. Find, using vectors, the tension in the cables. A vector diagram is required. thanks!!arrow_forwardA 1130-kg car is held in place by a light cable on a very smooth (frictionless) ramp, as shown in the figure below. The cable makes an angle of 31.0° above the surface of the ramp, and the ramp itself rises at 25.0° above the horizontal. (a) Draw a free-body diagram for the car. (b) Find the tension in the cable. (c) How hard does the surface of the ramp push on the car? 31.0° 25.0° Cablearrow_forwardA 55.0 kg block is pulled along a frictionless surface with a force P, exerted at an angle of 25.0 ̊ above the horizontal. What is the minimum force P that will lift the block off the ground? If the block is pulled with half of this force, what will its acceleration be?arrow_forward
- A 1160 Kg car is being pulled up a frictionless ramp at a constant speed as shown. The cable makes an angle of 31 degrees above the surface of the ramp, and the ramp itself rises at 25 degrees above the horizontal. Draw all the required force vectors with their tails starting at the black dot on the front bumper showing the location and orientation of the vectors. Find the tension in the cable in Newtons. How hard does the surface of the ramp push on the car (in Newtons)?arrow_forwardA heavy crate of mass 46.0 kg is pulled at constant speed by a dockworker who pulls with a 330-N force at an angle ? with the horizontal (see figure below). The magnitude of the friction force between the crate and the pavement is 221 N. What is the angle ? of the rope with the horizontal? What is the magnitude of the normal force exerted by the pavement on the crate?arrow_forwardTwo blocks are sliding down a 30◦ incline. The first block is 2 kg and has a kinetic friction coefficient of .10. The second block - which is connected to the first block by a rope - is 1 kg with a kinetic friction coefficient of .20. What is the tension in the string?arrow_forward
- A 80.0-kg skier starts down a 100-m high, 15.0° slope on regular skis. The coefficients of friction between the ski and snow are us 0.250 and uk = 0.150. What is the magnitude of the net force on the skier, in Newtons? Use g = 10.0 m/s². Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.arrow_forwardA father gives his son a ride by pulling on a sled. The father pulls the sled across the ground with a force F =75.0 N, directed 30° above %3D (Consider Newton's Laws and the forces/components} the horizontal (as shown). The combined mass of his son and sled is 44.0 kg. What normal force does the ground exert on the sled? O 394 N 485N O 270 N N 69arrow_forwardTwo blocks connected by a string are on a horizontal frictionless surface The blocks are connected to a hanging weight by means of a string that passes over a pulley as shown in the figure below, where m_{1} = 2.05 kg,m_{2} = 3.10kg and m_{3} = 4.9 kg. Find the tension t in the string connecting the teo blocks on the horizontal surface? How much time is required for the hanging weight to fall 10.0 cm if it starts from the rest?arrow_forward
- Two objects are connected by a light string that passes over a frictionless pulley as shown in the figure below. Assume the incline is frictionless and take m1 = 2.00 kg, m2 = 5.00 kg, and ? = 51.0°. (a) Draw free-body diagrams of both objects. (b) Find the magnitude of the accelerations of the objects. (c) Find the tension in the string. (d) Find the speed of each object 3.00 s after being released from rest.arrow_forwardSally is the salamander, mr. Gonzalez is holding the leash.arrow_forwardOn the next flower, the bee gets close to two grains of pollen located on two different stamens (Figure 4a). The bee is modelled by a point charge q4 located at point A and the grains of pollen by two charges of the same value q, respectively located at points P1 and P2 (Figures 4b and c). а) b) Веe y Вее A P. Grain of pollen Grain of Stamen pollen Pistil Stamen c) AX 9. P, P2 9, FIGURE 4 – Modelling of a bee and two grains of pollen. a) A bee gets close to the stamens of a plant. It is at equal distance of two grains of pollen located on two separate stamens. b) The bee and the grains of pollen are modelled by point charges. c) Final model.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Newton's Second Law of Motion: F = ma; Author: Professor Dave explains;https://www.youtube.com/watch?v=xzA6IBWUEDE;License: Standard YouTube License, CC-BY