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
Videos
Textbook Question
Chapter 4, Problem 47P
Two blocks of mass 3.50 kg and 8.00 kg are connected by a massless string that passes over a frictionless pulley (Fig. P4.47). The inclines are frictionless. Find (a) the magnitude of the acceleration of each block and (b) the tension in the string.
Figure P4.47
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Find the tensions in the two cords and the accelerations of the blocks in Fig.P4.11 if the friction is negligible. The pulleys are massless and frictionless, m1= 200 g, m2= 500 g, m3= 400 g.
A 276-kg glider is being pulled by a 1 950-kg jet along a
horizontal runway with an acceleration of a = 2.20 m/s² to
the right as in Figure P4.41. Find (a) the thrust provided by
the jet's engines and (b) the magnitude of the tension in the
cable connecting the jet and glider.
Figure P4.41
Objects with masses m1 = 10.0 kg and m2= 5.00 kg areconnected by a light string that passes over a frictionless pulleyas in Figure P4.64. If, when the system starts from rest, m 2 falls1.00 m in 1.20 s, determine the coefficient of kinetic frictionbetween m 1 and the table.
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 = 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 a of magnitude 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 85.0 N, what maximum acceleration can the elevator have before a string breaks? Figure P4.33 Problems 33 and 34.arrow_forwardA car accelerates down a hill (Fig. P4.87), going from rest to 30.0 m/s in 6.00 s. During the acceler- ation, a toy (m = 0.100 kg) hangs by a string from the car's ceiling. The acceleration is such that the string remains perpendicular to the ceiling. Determine (a) the angle 0 and (b) the tension in the string. Figure P4.87arrow_forwardChapter 04, Problem 003 GO Two horizontal forces, F, and F,, are acting on a box, but only F, is shown in the drawing. F, The box moves only along the x axis. There is no friction between the box and the surface. Suppose that F = +7.1N and the mass of the box is 3.3 kg. Find the magnitude and direction of F, when the acceleration of the box is (a) +4.7 m/s², (b) -4.7 m/s², and (c) 0 m /s2. can point either to the right or to the left. F, (a) E = (b) F (c) Farrow_forward
- 37.00 (a) Find the tension in each cable supporting the 6.00 × 10²-N cat burglar in Figure P4.35. (b) Suppose the hori- zontal cable were reattached higher up on the wall. Would the tension in the other cables increase, decrease, or stay the same? Why? 600 N Figure P4.35arrow_forwardTwo crates, one with mass 4.00 kg and the other with mass 6.00 kg, sit on the frictionless surface of a frozen pond, connected by a light rope (Fig. P4.39). A woman wearing golf shoes (for traction) pulls horizontally on the 6.00-kg crate with a force F that gives the crate an acceleration of 2.90 m/s^2. A). What is the acceleration of the 4.00-kg crate? B). Draw a free-body diagram for the 4.00-kg crate. Use that diagram and Newton’s second law to find the tension T in the rope that connects the two crates. C). Draw a free-body diagram for the 6.00-kg crate. What is the direction of the net force on the 6.00-kg crate? Which is larger in magnitude, T or F? D). Use part C and Newton’s second law to calculate the magnitude of F.arrow_forwardAn object with mass m = 5.00 kg rests on a frictionless horizontal table and is connected to a cable that passes over a pulley and is then fastened to a hanging object with mass m, = 10.0 kg, as shown in Figure P4.64. Find (a) the acceleration of each object and (b) the tension in the cable. Figure P4.64arrow_forward
- Two blocks of masses m and m2 (m, > m2) are placed on a friction- less table in contact with each other. A horizontal force of magnitude F is applied to the block of mass m, in Figure P4.62. (a) If P is the magnitude of the contact force between the blocks, draw the free-body diagrams for each block. (b) What is the net force on the system consisting of both blocks? (c) What is the net force acting on m? (d) What is the net force acting on m,? (e) Write the x-component of Newton's second law for each block. (f) Solve the resulting Figure P4.62 system of two equations and two unknowns, expressing the acceleration a and contact force Pin terms of the masses and force. (g) How would the answers change if the force had been applied to mạ instead? (Hint: use symmetry; don't calcu- late!) Is the contact force larger, smaller, or the same in this case? Why?arrow_forwardA 2.00-kg aluminum block and a 6.00-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle e = 30.0°) as shown in Figure P4.83. Making use of Table 4.2, determine (a) the acceleration of the two blocks and (b) the tension in the string. Aluminum Copper т тe Steel Figure P4.83arrow_forwardmi 65. mo Figure P4.64 (Problems 64, 65, and 67) TObjects with masses m₁ = 10.0 kg and m₂ = 5.00 kg are connected by a light string that passes over a frictionless pulley as in Figure P4.64. If, when the system starts from rest, mo 1.00 m in 1.20 s, determine the coefficient of kinetic friction falls between m1 and the table.arrow_forward
- Thre e objects are connected on a table as shown in Figure P4.73. The т coefficient of kinetic friction between the block of mass m, and the table is 0.350. The Figure P4.73 objects have masses of m, = 4.00 kg, m2 the pulleys are frictionless. (a) Draw a diagram of the forces on each object. (b) Determine the acceleration of each object, 1.00 kg, and mg = 2.00 kg as shown, and including its direction. (c) Determine the tensions in the two cords. (d) If the tabletop were smooth, would the tensions increase, decrease, or remain the same? Explain.arrow_forwardA car accelerates down a hill (Fig. P5.95), going from rest to 30.0 m/s in 6.00 s. A toy inside the car hangs by a string from the car's ceiling. The ball in the figure represents the toy, of mass 0.100 kg. The acceleration is such that the string remains perpendicular to the ceiling. Determine (a) the angle 0 and (b) the tension in the string. Figure P5.95arrow_forwardObjects with masses m1 = 10.0 kg and m2 = 5.00 kg are connected by a light string that passes over a frictionless pulley as in Figure P4. 36. If, when the system starts from rest, m2 falls 1.00 m in 1.20 s, determine the coefficient of kinetic friction between m1 and the table.arrow_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
Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom;https://www.youtube.com/watch?v=3rZR7FSSidc;License: Standard Youtube License