Principles of Physics: A Calculus-Based Text, Hybrid (with Enhanced WebAssign Printed Access Card)
5th Edition
ISBN: 9781305586871
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 4, Problem 30P
Two objects are connected by a light string that passes over a frictionless pulley as shown in Figure P4.30. Assume the incline is frictionless and take m1 = 2.00 kg, m2 = 6.00 kg, and θ = 55.0°. (a) Draw free-body diagrams of both objects. Find (b) the magnitude of the acceleration of the objects, (c) the tension in the string, and (d) the speed of each object 2.00 s after it is released from rest.
Figure P4.30
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Two horizontal forces, and F₂, are acting on a box, but only is shown in the drawing. F₂ can point
either to the right or to the left. The box moves only along the x axis. There is no friction between
the box and the surface. Suppose that F₁ = +4.6 N and the mass of the box is 3.6 kg. Find the
magnitude and direction of F₂ when the acceleration of the box is (a) +6.9 m/s², (b) -6.9 m/s², and (c)
0 m/s².
(a) F₂
(b) F₂
(c) F₂
||
||
=
A
i
i
i
F₁
+X
Two horizontal forces, and F, are acting on a box, but only F is shown in the drawing. F₂2
can point either to the right or to the left. The box moves only along the x axis. There is no
friction between the box and the surface. Suppose that F₁ = +9.4 N and the mass of the box
is 3.6 kg. Find the magnitude and direction of F₂ when the acceleration of the box is (a)
+5.1 m/s², (b) -5.1 m/s², and (c) 0 m/s².
F₁
<-+x
Two horizontal forces, F and F, are acting on a box, but only is shown in the drawing. F₂ can point
either to the right or to the left. The box moves only along the x axis. There is no friction between
the box and the surface. Suppose that E₁ = +4.0 N and the mass of the box is 3.3 kg. Find the
magnitude and direction of F₂ when the acceleration of the box is (a) +6.0 m/s², (b) -6.0 m/s², and (c)
0 m/s².
(a) F₂
(b) F₂
(c) F₂
=
=
=
►
➜
i
i
+X
Chapter 4 Solutions
Principles of Physics: A Calculus-Based Text, Hybrid (with Enhanced WebAssign Printed Access Card)
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 horizontal forces, F, and F2, are acting on a box, but only is shown in the drawing. F₂ can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +2.3 N and the mass of the box is 4.0 kg. Find the magnitude and direction of F, when the acceleration of the box is (a) +5.4 m/s², (b) -5.4 m/s², and (c) 0 m/s². (a) F (b) F₂ (c) F₂ = = Save for Later V i i i -+x Attempts: 0 of 3 used Submit Answerarrow_forwardThe gravitational force exerted on a baseball is 2.00 N down. A pitcher throws the ball horizontally with velocity 12.0 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 200 ms. The ball starts from rest. a) Through what distance does it move before its release? b) What are the magnitude and direction of the force that exerts on the ball? (Enter your magnitude to at least one decimal place.)arrow_forwardAn athlete pulls box E using an inextensible rope P while being resisted by another inextensible rope S. Let P be the tension force on rope P and S be the tension force on rope S. Consider particle analysis involving only forces P and S. P E S 2. If P = 495N, S = 465N, 0 = 10° and a = 29° , which of the following is closest to the magnitude and direction of R? 322 N, 32.9degs 161.2 N, 81.8degs 322 N, 32.9deg 161.2N, 81.1degaarrow_forward
- A person pushes a box of mass m= 25 kg in a straight line along a rough floor. The applied force F has magnitude 85 N and acts downward at an angle 0 = 10° with respect to the horizontal, as shown below. The box is initially at rest at the position x, = 0 m, and it has speed v2 = 0.55 m/s at position x2= 3.50 m. a). Find the coefficient of friction between the box and the floor. b). What is the net work done? c). How much work (magnitude and sign) is done by the friction force? (This problem involves constant acceleration, Newton's Laws, and work!) marrow_forwardTwo horizontal forces, F and F, are acting on a box, but only F, is shown in the drawing. F, can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that F. = +7.6 N and the mass of the box is 5.0 kg. Find the magnitude and direction of F, when the acceleration of the box is (a) +5.3 m/s2, (b) -5.3 m/s?, and (c) 0 m /s?. F1 (а) F 18.9 N. + (b) F, 31.8 N (c) F -7.6 Narrow_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
- The gravitational force exerted on a baseball is 2.21 N down. A pitcher throws the ball horizontally with velocity 18.0 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 170 ms. The ball starts from rest. (a) Through what distance does it move before its release? (b) What are the magnitude and direction of the force the pitcher exerts on the ball?arrow_forwardTwo blocks are connected by a string as shown. The inclination of the ramp is θ = 39° while the masses of the blocks are m1 = 7.8 kg and m2 = 19.6 kg. Friction is negligible. Write an equation for the magnitude of the acceleration the two blocks experience. Give your equation in terms of m1, m2, θ, and the acceleration due to gravity g. Consider down the ramp to be the negative direction in this calculation. What is the magnitude of the acceleration of each block in ms2ms2? Write an equation for the tension in the string in terms of m2, the acceleration due to gravity g, and the acceleration of the two blocks a. What is the tension in the rope in newtons?arrow_forwardThe figure shows two blocks connected by a lightweight string across a frictionless pulley. The hanging block has mass m1 = 5.35 kg and the second block has mass m2 = 3.25 kg.The ramp is frictionless and inclined at an angle of θ = 42.5° from the horizontal. When released from rest, block 1 will descend and block 2 will move up the ramp. (Assume the ramp is frictionless.) Determine the magnitude of each block's acceleration and the tension in the string.arrow_forward
- Two blocks are connected by a massless rope over a massless, frictionless pulley, as shown in the figure. The mass of block 2 is m2 = 10.1 kg, and the coefficient of kinetic friction between block 2 and the incline is Hk = 0.200. The angle 0 of the incline is 27.5°. If block 2 is 2 moving up the incline at constant speed, what is the mass mị of block 1? kg m1 =arrow_forwardA bowling ball weighing 71.2 N is attached to the ceiling by a 3.80-m rope. The ball is pulled to one side and released; it then swings back and forth as a pendulum. As the rope swings through the vertical, the speed of the bowling ball is 4.20 m/s. (a) Draw a Free Body Diagram. (b) What is the acceleration of the bowling ball, in magnitude and direction, at this instant? (c) What is the tension in the rope at this instant?arrow_forwardAn object (m = 5.00 kg) is sliding down the incline plane which sits on a table of a height H = 1.50 m as shown in the figure. The angle that the inline makes with the horizontal is 35.0°. %3D The objects slides a distance of 1.00 m down the incline in 3.00 s. The incline is not frictionless. (a\) Draw a labeled and scaled FBD showing all the forces acting on the object while it is on the ramp. (b) Find the magnitude of acceleration of the object down the incline. (c) Find the coefficient of kinetic friction between the object and the incline. (d) What is the work done by the force of friction? (e) When the object gets to the bottom of the plane, it follows a projectile path. How far from the edge of the table (x) does it land?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSONIntroduction To Quantum MechanicsPhysicsISBN:9781107189638Author:Griffiths, David J., Schroeter, Darrell F.Publisher:Cambridge University Press
- Physics for Scientists and EngineersPhysicsISBN:9781337553278Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningLecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-WesleyCollege Physics: A Strategic Approach (4th Editio...PhysicsISBN:9780134609034Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart FieldPublisher:PEARSON
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics (14th Edition)
Physics
ISBN:9780133969290
Author:Hugh D. Young, Roger A. Freedman
Publisher:PEARSON
Introduction To Quantum Mechanics
Physics
ISBN:9781107189638
Author:Griffiths, David J., Schroeter, Darrell F.
Publisher:Cambridge University Press
Physics for Scientists and Engineers
Physics
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:9780321820464
Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:Addison-Wesley
College Physics: A Strategic Approach (4th Editio...
Physics
ISBN:9780134609034
Author:Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:PEARSON
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