Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 4, Problem 25SP
The block depicted Fig. 4-12(a) slides with constant speed under the action of the force shown. (a) How large is the retarding friction force? (b) What is the coefficient of kinetic friction between the block and the floor?
Fig. 4-12
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A rope exerts a force of 50 N on a box to keep it stationary. If the box is on a plane inclined 25° from the horizontal and the coefficient of static friction is 0.29, calculate the normal force exerted on the box.
(ASAP) 10kg block is on a 30 degree inclined plane. It is acted upon by a 25N force directed downwards and by a 15N force directed 40 degree relative to the incline. Coefficient of friction are static=0.4 and kinetic=0.3
Question
What is the magnitude of the frictional force between the block and the incline at the instance shown?
What is the magnitude of the limiting frictional force between the block and the incline?
A crate of mass 17.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.410, calculate the following.
(a) Calculate the normal force. (Give the magnitude.)
(b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 89.0 N moves the crate.
(c) Calculate the normal force when the 89.0-N applied force is exerted at an angle of 37.5° above the horizontal. (Give the magnitude.)
(d) Calculate the magnitude of the kinetic friction force when the 89.0-N applied force is exerted at an angle of 37.5° above the horizontal.
Need Help?
Read It
Read It
Chapter 4 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 4 - 4.9 [I] A person stands on a scale, which then...Ch. 4 - 4.10 [I] Two evenly matched teams of youngsters...Ch. 4 - 4.11 [I] A rope is tied to a hook fastened to a...Ch. 4 - 4.12 [I] An essentially weightless pulley that is...Ch. 4 - 4.13 [I] An essentially weightless rope is slung...Ch. 4 - 4.14 [I] An essentially weightless rope is slung...Ch. 4 - 4.15 [I] A 2.00-kg block rests on a frictionless...Ch. 4 - 4.16 [I] The load in Fig. 4-7 is hanging at rest....Ch. 4 - 4.17 [I] (a) A 600-N load hangs motionlessly in...Ch. 4 - 4.18 [I] For the situation shown in Fig. 4-9, find...
Ch. 4 - 19. The following coplanar forces pull on a ring:...Ch. 4 - 4.20 [II] In Fig. 4-10, the pulleys are...Ch. 4 - 4.21 [II] Suppose in Fig. 4-10 is 500 N. Find the...Ch. 4 - 4.22 [I] If in Fig. 4-11 the friction between the...Ch. 4 - 4.23 [II] The system in Fig. 4-11 remains at rest...Ch. 4 - 24. Find the normal force acting on the block in...Ch. 4 - 25. The block depicted Fig. 4-12(a) slides with...Ch. 4 - 26. The block shown in Fig. 4-12(b) slides at a...Ch. 4 - 27. The block in Fig. 4-12(c) just begins to slide...Ch. 4 - 4.28 [II] If in the equilibrium situation shown...Ch. 4 -
29. Refer to the equilibrium situation shown in...Ch. 4 - 4.30 [III] The hanging object in Fig. 4-14 is in...Ch. 4 - 31. The pulleys shown in Fig. 4-15 have negligible...Ch. 4 - 4.32 [III] In Fig. 4-16, the system is at rest....Ch. 4 - 4.33 [III] The block in Fig. 4-16 is just on the...
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 horizontal force of 200 N is used to push a 50.0-kg packing crate a distance of 6.00 m on a rough horizontal surface. If the crate moves at constant speed, the coefficient of kinetic friction between the crate and surface.arrow_forwardA crate of mass 16.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.380, calculate the following. (a) Calculate the normal force. (Give the magnitude.) (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 89.0 N moves the crate. (c) Calculate the normal force when the 89.0-N applied force is exerted at an angle of 32.5° above the horizontal. (Give the magnitude.) N (d) Calculate the magnitude of the kinetic friction force when the 89.0-N applied force is exefted at an angle of 32.5° above the horizontal,arrow_forwardIf a box on a horizontal surface has an externally applied horizontal force less than the maximum static frictional force, the box has a motion relative to the surface equal to?arrow_forward
- If an 80kg block is on an inclined plane (at 40 degrees), how do you find the magnitude and direction of the friction force if the static friction's coefficient is 0.2?arrow_forwardA 22-kg crate is on an incline that makes an angle of 30° with the horizontal. If the coefficient of static friction is 0.50, the minimum force that can be applied parallel to the plane to hold the crate at rest is:arrow_forwardA 350-lb block rests on a rough plane inclined 60 with the horizontal. If thecoefficients of friction between the block and the plane are 0.78 for static and 0.42 for kinetic respectively, determine whether or not the block is at rest.arrow_forward
- A crate of mass 16.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.410, calculate the following. (a) Calculate the normal force. (Give the magnitude.) (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 72.0 N moves the crate. (c) Calculate the normal force when the 72.0-N applied force is exerted at an angle of 37.5 above the horizontal. (Give the magnitude.) (d) Calculate the magnitude of the kinetic friction force when the 72.0-N applied force is exerted at an angle of 37.5° above the horizontal.arrow_forwardA crate of mass 17.0 kg rests on a level surface. If the coefficient of kinetic friction between the crate and surface is 0.440, calculate the following. edi ume (a) Calculate the normal force. (Give the magnitude.) (b) Calculate the magnitude of the kinetic friction force when a horizontal applied force of 91.0 N moves the crate. (c) Calculate the normal force when the 91.0-N applied force is exerted at an angle of 32.5 above the horizontal. (Give the magnitude.) (d) Calculate the magnitude of the kinetic friction force when the 91.0-N applied force is exerted at an angle of 32.5 above the horizontal.arrow_forwardProblem The coefficient of friction between blocks is us = 0.4, at what angle will the block start sliding if it is initially at rest? Solution Let us obtain the net force in the axis perpendicular to the inclined plane. By virtue of the first law of motion (equilibrium), the net force is 2 F perpendicular =n- Fgperpendicular Thus, the normal force is n= m cos On the axis parallel to the inclined, the net force is Z FI - Fg||-fs,max= Substituting the forces, we get the following: mg smg By simplifying, we get the following: tan(theta) = mus Thus, the angle that the object will slide is: (rounded of to the ones)arrow_forward
- A 10-kg weight is suspended by a rope from a ceiling. If a horizontal force of 5.80 kg is applied to the weight, the rope will make an angle with the vertical equal to:arrow_forwardDetermine the minimum force that must be applied to the 300 lb block so that it start the movement (imminent movement), knowing that the 200 lb block is attached to the wall, according to the figure. The coefficient of static friction between the two blocks is 0.3 and between the block 300 lb and the floor is 0.4. The coefficient of dynamic friction between all surfaces is 0.25.arrow_forwardA block of rubber is placed on an adjustable inclined plane and released from rest. The angle of the incline is gradually increased. (a) The block does not move until the incline makes an angle of 428 to the horizontal. Calculate the coefficient of static friction. (b) The block stops accelerating when the incline is at an angle of 358 to the horizontal. Determine the coefficient of kinetic friction.arrow_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 First Law of Motion: Mass and Inertia; Author: Professor Dave explains;https://www.youtube.com/watch?v=1XSyyjcEHo0;License: Standard YouTube License, CC-BY