Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 4, Problem 33P
Two blocks, each of mass m = 3.50 kg, are hung from the ceiling of an elevator as in Figure P4.33. (a) If the elevator moves with an upward acceleration
Figure P4.33 Problems 33 and 34.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A loudspeaker of mass 25.0 kg is suspended a distance of h = 1.00 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l = 2.50 m .
Q: What is the tension T in each of the cables?
Use 9.80 m/s2 for the magnitude of the free-fall acceleration.
A 95 N traffic light is supported by three cables (T1, T2 and T3), of which T, and T2 are making angles e, = 52° and 82 = 21° as shown in Figure.
Here T3 = 95 N, calculate the tensions T, and T2.
T
(T2
T3
(a) Tension in string 1, T, (in Newton) =
(b) Tension in string 2, T2 (in Newton) =
A loudspeaker of mass 22.0 kg is suspended a distance of h = 2.40 m
below the ceiling by two cables that make equal angles with the
%3D
ceiling. Each cable has a length of I = 3.30 m
%3D
What is the tension T in each of the cables?
Use 9.80 m/s2 for the magnitude of the acceleration due to gravity.
Chapter 4 Solutions
Principles of Physics: A Calculus-Based Text
Ch. 4.1 - Which of the following statements is most correct?...Ch. 4.4 - An object experiences no acceleration. Which of...Ch. 4.4 - You push an object, initially at rest, across a...Ch. 4.5 - Prob. 4.4QQCh. 4.6 - (i) If a fly collides with the windshield of a...Ch. 4.6 - Which of the following is the reaction force to...Ch. 4.7 - Consider the two situations shown in Figure 4.8,...Ch. 4 - Prob. 1OQCh. 4 - Prob. 2OQCh. 4 - Prob. 3OQ
Ch. 4 - Prob. 4OQCh. 4 - Prob. 5OQCh. 4 - Prob. 6OQCh. 4 - Prob. 1CQCh. 4 - If a car is traveling due westward with a constant...Ch. 4 - A person holds a ball in her hand. (a) Identify...Ch. 4 - Prob. 4CQCh. 4 - If you hold a horizontal metal bar several...Ch. 4 - Prob. 6CQCh. 4 - Prob. 7CQCh. 4 - Prob. 8CQCh. 4 - Balancing carefully, three boys inch out onto a...Ch. 4 - Prob. 10CQCh. 4 - Prob. 11CQCh. 4 - Prob. 12CQCh. 4 - Prob. 13CQCh. 4 - Give reasons for the answers to each of the...Ch. 4 - Prob. 15CQCh. 4 - In Figure CQ4.16, the light, taut, unstretchable...Ch. 4 - Prob. 17CQCh. 4 - Prob. 18CQCh. 4 - Prob. 19CQCh. 4 - A force F applied to an object of mass m1 produces...Ch. 4 - (a) A car with a mass of 850 kg is moving to the...Ch. 4 - A toy rocket engine is securely fastened to a...Ch. 4 - Two forces, F1=(6i4j)N and F2=(3i+7j)N, act on a...Ch. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Two forces F1 and F2 act on a 5.00-kg object....Ch. 4 - A 3.00-kg object is moving in a plane, with its x...Ch. 4 - A woman weighs 120 lb. Determine (a) her weight in...Ch. 4 - Prob. 10PCh. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - You stand on the seat of a chair and then hop off....Ch. 4 - Prob. 17PCh. 4 - A block slides down a frictionless plane having an...Ch. 4 - Prob. 19PCh. 4 - A setup similar to the one shown in Figure P4.20...Ch. 4 - Prob. 21PCh. 4 - The systems shown in Figure P4.22 are in...Ch. 4 - A bag of cement weighing 325 N hangs in...Ch. 4 - Prob. 24PCh. 4 - In Example 4.6, we investigated the apparent...Ch. 4 - Figure P4.26 shows loads hanging from the ceiling...Ch. 4 - Prob. 27PCh. 4 - An object of mass m1 = 5.00 kg placed on a...Ch. 4 - An object of mass m = 1.00 kg is observed to have...Ch. 4 - Two objects are connected by a light string that...Ch. 4 - Prob. 31PCh. 4 - A car is stuck in the mud. A tow truck pulls on...Ch. 4 - Two blocks, each of mass m = 3.50 kg, are hung...Ch. 4 - Two blocks, each of mass m, are hung from the...Ch. 4 - In Figure P4.35, the man and the platform together...Ch. 4 - Two objects with masses of 3.00 kg and 5.00 kg are...Ch. 4 - A frictionless plane is 10.0 m long and inclined...Ch. 4 - Prob. 39PCh. 4 - An object of mass m1 hangs from a string that...Ch. 4 - A young woman buys an inexpensive used car for...Ch. 4 - A 1 000-kg car is pulling a 300-kg trailer....Ch. 4 - An object of mass M is held in place by an applied...Ch. 4 - Prob. 44PCh. 4 - An inventive child named Nick wants to reach an...Ch. 4 - In the situation described in Problem 45 and...Ch. 4 - Two blocks of mass 3.50 kg and 8.00 kg are...Ch. 4 - Prob. 48PCh. 4 - In Example 4.5, we pushed on two blocks on a...Ch. 4 - Prob. 50PCh. 4 - Prob. 51PCh. 4 - Prob. 52PCh. 4 - Review. A block of mass m = 2.00 kg is released...Ch. 4 - A student is asked to measure the acceleration of...Ch. 4 - Prob. 55PCh. 4 - Prob. 56PCh. 4 - A car accelerates down a hill (Fig. P4.57), going...Ch. 4 - Prob. 58PCh. 4 - In Figure P4.53, the incline has mass M and is...
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
- Two blocks, each of mass m, are hung from the ceiling of an elevator as in Figure P4.33. The elevator has an upward acceleration a. The strings have negligible mass. (a) Find the tensions T1 and T2 in the upper and lower strings in terms of m, a, and g. (b) Compare the two tensions and determine which string would break first if a is made sufficiently large. (c) What are the tensions if the cable supporting the elevator breaks? Figure P4.33 Problems 33 and 34.arrow_forwardTwo blocks, each of mass m = 2.80 kg are hung from the ceiling of an elevator as in the figure below. T a T2 m (a) If the elevator moves with an upward acceleration a of magnitude 1.1 m/s?, find the tensions T, and T, in the upper and lower strings. T = N T = N (b) If the strings can withstand a maximum tension of 67.0 N, what maximum acceleration can the elevator have before a string breaks? m/s2arrow_forwardTwo blocks, each of mass m = 3.60 kg are hung from the ceiling of an elevator as in the figure below. m T2 m (a) If the elevator moves with an upward acceleration a of magnitude 1.1 m/s2, fin the tensions T1 and T2 in the upper and lower strings. T1 = T2 = (b) If the strings can withstand a maximum tension of 83.0 N, what maximum acceleration can the elevator have before a string breaks?arrow_forward
- You are designing a high-speed elevator for a new skyscraper. The elevator will have a mass limit of 2400 kg (including passengers). For passenger comfort, you choose the maximum ascent speed to be 18.0 m/s, the maximum descent speed to be 10.0 m/s, and the maximum acceleration magnitude to be 5.00 m/s2. Ignore friction. What is the maximum upward force that the supporting cables exert on the elevator car?arrow_forwardTwo blocks each of mass m = 3.90 kg are fastened to the top of an elevator as in the figure below. (a) If the elevator accelerates upward at 1.6 m/s?, find the tensions T1 and T2 in the upper and lower strings. T1 88.92 T2 44.46 N N (b) If the strings can withstand a maximum tension of 99.0 N, what maximum acceleration can the elevator have before the first string breaks? Your response differs from the correct answer by more than 10%. Double check your calculations. m/s? 1.60 m/s m D marrow_forwardA 75 N traffic light is supported by three cables (T1, T2 and T3), of which T1 and T2 are making angles θ1 = 60o and θ2 = 25o as shown in Figure. Here T3 = 75 N, calculate the tensions T1 and T2. 1 (a) Tension in string 1, T1 (in Newton) = (b) Tension in string 2, T2 (in Newton) =arrow_forward
- Consider a person standing on a scale in an elevator. If the elevator accelerates upwards with an acceleration of 1.21 m/s2 and the person has a mass of 102.9 kg, what would the scale read? HINT: you need to take into account the acceleration due to gravity, as well as that of the elevator.arrow_forwardSphere A is attached to the ceiling of an elevator by a string. A second sphere is attached to the first one by a second string. Both strings are of negligible mass. Here m1 = m2 = m = 3.33 kg. (a) The elevator starts from rest and accelerates downward with a= 1.35 m/s2. What are the tensions in the two strings in newtons? T1= ____ N T2= ____ N (b) If the elevator moves upward instead with the same acceleration what will be the tension in the two strings in newtons? T1= _____ N T2= _____ N (c) The maximum tension the two strings can withstand is 95.0 N. What maximum upward acceleration (in m/s2) can the elevator have without having one of the strings break? _____ m/s2arrow_forwardTwo blocks each of mass 5 kg are fastened to the top of an elevator as in Figure P4.21. (a) If the elevator accelerates upward at 1.60 m/s2, find the tensions T1 and T2 in the upper and lower strings. (b) If the strings can withstand a maximum tension of 120 N, what maximum acceleration can the elevator have before the first string breaks?arrow_forward
- Two blocks, each of mass m = 3.35 kg are hung from the ceiling of an elevator as in the figure below. T m T2 (a) If the elevator moves with an upward acceleration a of magnitude 1.1 m/s?, find the tensions T, and Tz in the upper and lower strings. T1 = T2 = N (b) If the strings can withstand a maximum tension of 76.7 N, what maximum acceleration can the elevator have before a string breaks? |m/s² Additional Materials еВookarrow_forwardTwo blocks each of mass m=3.21 kg are fastened to the top of an elevator as in the figure. (A) if the elevator has an upward acceleration a= 1.60 m/s^2 , find the tensions T1 and T2 in the upper and lower strings. T1 = N. T2= N (B) if the strings can withstand a maximum tension of 89.0 N what maximum acceleration can the elevator have before the upper strings breaks? M/s2 ?arrow_forwardAn elevator, with a total mass of 454 kg, accelerates downward at 3.51 m/s^2. During this time, the tension in the elevator cable is 1594 N. 2426 N 2860 N 3354 Narrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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