Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 4, Problem 46P
To determine
To Find:The forces acting on the block B.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
HW
QI) Knowing that the coefficient of friction between the 25-kg block and the incline is µ = 0.25, determine
(a) the smallest value of P required to start the block moving up the incline, (b) the corresponding value of B.
P
25 kg
30°
Q2) The coefficients of friction between the block and the rail are u. = 0.30 and le = 0.25. Knowing that
0=65°, determine the smallest value of P required (a) to start the block moving up the rail, (b) to keep it from
moving down.
35°
500 N
Q3) The coefficients of friction are . = 0.40 and ue = 0.30 between all surfaces of contact. Determine the
smallest force P required to start the 30-kg block moving if cable AB (a) is attached as shown, (b) is removed.
A
20 kg
30 kg
(a) Find the resultant force and calculate its magnitude and direction (relative to the positive x-axis)
(b) This resultant force now acts on an object (modelled as a particle) of mass 12kg. Find the acceleration and calculate its magnitude.
14. Figure 5-34 shows three blocks being pushed across a frie-
tionless floor by horizontal force F. What total mass is acceler-
ated to the right by (a) force F, (b) force F, of block 1 on block 2,
and (c) force F of block 2 on block 3? (d) Rank the blocks
according to their accelerations, greatest first. (e) Rank forces
F, F, and F32 according to their magnitude, greatest first.
(Warmup for Problem 40)
10 kg
5 kg
2 kg
3.
Chapter 4 Solutions
Physics Fundamentals
Ch. 4 - Prob. 1QCh. 4 - Prob. 2QCh. 4 - Prob. 3QCh. 4 - Prob. 4QCh. 4 - Prob. 5QCh. 4 - Prob. 6QCh. 4 - Prob. 7QCh. 4 - Prob. 8QCh. 4 - Prob. 9QCh. 4 - Prob. 10Q
Ch. 4 - Prob. 11QCh. 4 - Prob. 12QCh. 4 - Prob. 13QCh. 4 - Prob. 14QCh. 4 - Prob. 15QCh. 4 - Prob. 16QCh. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10PCh. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 25PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Prob. 32PCh. 4 - Prob. 33PCh. 4 - Prob. 34PCh. 4 - Prob. 35PCh. 4 - Prob. 36PCh. 4 - Prob. 37PCh. 4 - Prob. 38PCh. 4 - Prob. 39PCh. 4 - Prob. 40PCh. 4 - Prob. 41PCh. 4 - Prob. 42PCh. 4 - Prob. 43PCh. 4 - Prob. 44PCh. 4 - Prob. 45PCh. 4 - Prob. 46PCh. 4 - Prob. 47PCh. 4 - Prob. 48PCh. 4 - Prob. 49PCh. 4 - Prob. 50PCh. 4 - Prob. 51PCh. 4 - Prob. 52PCh. 4 - Prob. 53PCh. 4 - Prob. 54PCh. 4 - Prob. 55PCh. 4 - Prob. 56P
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 50 kg object is acted upon by two forces (in N) F, = - 107 +50 7 and F, = 10 7 +50 7 What is the magnitude of its acce.arrow_forwardA father pushes his newborn baby in a running stroller with a force of 300 N. The handle is inclined at 35 deg from horizontal. If the stroller & baby have a mass of 35 kg & the coefficient of kinetic friction is 0.25, find the acceleration of the stroller & baby.arrow_forwardA crate having mass 50.0 kg falls horizontally off theback of the flatbed truck, which is traveling at 100 km/h.Find the value of the coefficient of kinetic friction betweenthe road and crate if the crate slides 50 m on the road incoming to rest. The initial speed of the crate is the same asthe truck, 100 km/h.arrow_forward
- 2-33. Determine the resultant of the force system in Fig. P 2-33 and locate it with reepect to point O. The 100-lb and 80-lb forces are tangent to the circle. 100 30 FIG. P 2-33arrow_forwardThe 70.0-kg climber in Fig. 4-72 is supported in the “chimney" by the friction forces exerted on his shoes and back. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are 0.80 and 0.60, respectively. What is the minimum normal force he must exert? Assume the walls are ver- tical and that the static friction forces are both at their maximum. Ignore his grip on the rope. FIGURE 4–72 Problem 89.arrow_forward3. 53 In Fig. 5-48, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude T, = 65.0 N. If m, = 12.0 kg. m, = 24.0 kg, and m, = 31.0 kg. calculate (a) the magnitude of the system's acceleration, (b) the tension T, and (c) the tension T. T2 T3 Fig. 5-48 Problem 53.arrow_forward
- Three mountain climbers who are roped together in a line are ascending an icefield inclined at 31.0° to the horizontal (Fig. 4-69). The last climber slips, pulling the second climber off his feet. The first climber is able to hold them both. If each climber has a mass of 75 kg, calculate the ten- sion in each of the two sections of rope between the three climbers. Ignore friction between the ice and the fallen climbers. 31.0° FIGURE 4-69 Problem 83.arrow_forwardA 2.6 kg mass is initialy at rest upon a frictionless surface. An applied force of 9 N is exerted on the mass, directed at an angle of -27 degrees with respect to the horizontal. What acceleration is produced?arrow_forwardA car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the ratio of the magnitude of the normal force to the weight of the car when (a) θ = 16oand (b) θ = 38o.arrow_forward
- A block of mass m1 = 3 slugs on a smooth inclined plane of angle 30o is connected by a cordover a small frictionless pulley to a second block of mass m2 = 2 slugs hanging vertically. (a)What is the acceleration of each body? (b) What is the tension in the cord?arrow_forward26E. Refer to Fig. 5-15 and suppose the two masses are m 2.0 kg and M = 4.0 kg. (a) Decide without any calculations which of them should be hanging if the magnitude of the acceler- ation is to be largest. What then are (b) the magnitude of the acceleration and (c) the associated tension in the cord?arrow_forward(c) A claw hammer can be used both to drive nails into a piece of wood and to get themback out (see figure 1b). The person in the image needs to exert a force of 50 Non the hammer to pull the nail loose. The handle is 25 cm long, and the distancebetween the handle and the head of the nail is 2.0 cm. Find the force the hammeris exerting on the wood (not the nail!). You may assume that the point where thehammer touches the wood is along the line of the handle. Hint: Start your answerwith a free-body diagram. May I have a detailed step by step explanation of this c) problem? Its for a hand in homework and I don't know how to solve itarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
University Physics (14th Edition)PhysicsISBN:9780133969290Author:Hugh D. Young, Roger A. FreedmanPublisher:PEARSON
Introduction 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 Learning
Lecture- Tutorials for Introductory AstronomyPhysicsISBN:9780321820464Author:Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina BrissendenPublisher:Addison-Wesley
College 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