EBK PHYSICS FOR SCIENTISTS AND ENGINEER
6th Edition
ISBN: 9781319321710
Author: Mosca
Publisher: VST
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 4, Problem 47P
(a)
To determine
The free body diagram of the light and if the tension in the wire 1 is greater than or less than tension in the wire 2.
(b)
To determine
The values of the tensions.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Consider a setup with a horizontal table, 2 masses, a string, and a massless frictionless pulley. Assume on the table m1= 1.8kg and hanging m2= 1.2kg. Also assume the coefficent of friction, uk = 0.20 on the table.
a) For each mass, identify the forces, draw a free body diagram, and set up equations for Newton's second law. You can also write an equation of the system.
b) Find the accleration after release.
Any system of nonconcurrent coplanar forces can be replaced by a
that is
equivalent to the given force system.
Given the magnitude of the force F and its x-component Fx, what is its y-component Fy equal to?
What is the sign of the y-component of a force in the third quadrant?
What is the sign of the x-component of a force in the fourth quadrant?
A
quantity possesses both magnitude and direction.
The x-coordinate of a given point is also called the
A
quantity possesses magnitude only.
The y-coordinate of a given point is also called the
A 175 N force directed 35° below the negative x-axis, has an x-component of
O. The y-component of the force in the previous problem is
1. If the x and y components of a force are 250 N and -85 N respectively, what is the magnitude of
the given force?
2. What is the direction of the force in the previous problem?
3. A force F is directed 65° below the negative x-axis, what is its y-component equal to using the
complement of the given angle?
4. What is the…
A child goes down a playground slide with an acceleration a. Find the coefficient of kinetic friction, between the child and the slide if the slide is inclined at an angle of theta. (a) Please solve for coefficient of friction in terms of g, theta and a only. (b) What would the child’s acceleration be in the limit as theta → 0 and 90 degrees. Demonstrate and Explain results.
Chapter 4 Solutions
EBK PHYSICS FOR SCIENTISTS AND ENGINEER
Ch. 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. 10P
Ch. 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. 56PCh. 4 - Prob. 57PCh. 4 - Prob. 58PCh. 4 - Prob. 59PCh. 4 - Prob. 60PCh. 4 - Prob. 61PCh. 4 - Prob. 62PCh. 4 - Prob. 63PCh. 4 - Prob. 64PCh. 4 - Prob. 65PCh. 4 - Prob. 66PCh. 4 - Prob. 67PCh. 4 - Prob. 68PCh. 4 - Prob. 69PCh. 4 - Prob. 70PCh. 4 - Prob. 71PCh. 4 - Prob. 72PCh. 4 - Prob. 73PCh. 4 - Prob. 74PCh. 4 - Prob. 75PCh. 4 - Prob. 76PCh. 4 - Prob. 77PCh. 4 - Prob. 78PCh. 4 - Prob. 79PCh. 4 - Prob. 80PCh. 4 - Prob. 81PCh. 4 - Prob. 82PCh. 4 - Prob. 83PCh. 4 - Prob. 84PCh. 4 - Prob. 85PCh. 4 - Prob. 86PCh. 4 - Prob. 87PCh. 4 - Prob. 88PCh. 4 - Prob. 89PCh. 4 - Prob. 90PCh. 4 - Prob. 91PCh. 4 - Prob. 92PCh. 4 - Prob. 93PCh. 4 - Prob. 94PCh. 4 - Prob. 95PCh. 4 - Prob. 96PCh. 4 - Prob. 97PCh. 4 - Prob. 98P
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
- Please as soon as possiblearrow_forwardA block of mass m is on an inclined ramp. The ramp makes anangle θ with respect to the horizontal, as shown. The ramp hasfriction, with coefficient of kinetic friction μk and static friction μs.This experiment takes place on earth.The block has an initial speed of v up the ramp. It travels adistance d along the ramp before it stops.Answer using variables, please.a) Draw a free body diagram clearly showing all the forces acting on the block while it is movingup the ramp.b) Calculate the work done by the Normal force as the block travels the distance d.Is it positive, negative, or zero?c) Calculate the work done by the Weight force as the block travels the distance d.Is it positive, negative, or zero?d) Calculate the work done by the Friction force as the block travels the distance d.Is it positive, negative, or zero?e) If the block comes to rest, how far has it travelled?Use the work-energy principle and your results of parts b), c), and d).f) Briefly (one sentence) explain why this…arrow_forwardAt the airport, you pull a 14kg suitcase across the floor with a strap that is at an angle of 46∘ above the horizontal.A) Find the normal force, given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.30.B) Find the tension in the strap, given that the suitcase moves with constant speed and that the coefficient of kinetic friction between the suitcase and the floor is 0.30.arrow_forward
- In the figure, the coefficient of kinetic friction between the block and inclined plane is 0.23, and angle 0 is 53º. (a) What is the acceleration (including sign) of the block if the block is sliding down the plane? Take the direction down the plane to be the positive direction. (b) What is the acceleration (including sign) of the block if the block is sliding up the plane? Take the direction down the plane to be the positive direction. (a) Number Units (b) Number Unitsarrow_forwardAn astronaut pushes a block and mass M that is on a surface as shown in Fig. 1(c). A magnitude of the force applied by the astronaut is B and the direction is given by angle θ in the figure. This experiment is done in space where gravity is negligible. The coefficients of static and kinetic friction between the block and thesurface are both µ. (a) Assume that the block does not move. Draw the free-body diagram with all the forces acting on the block. (b) Consider that the block still does not move, find the magnitude of the forces acting acting on the block as a function of the given quantities. (c) Consider now that the astronaut wants the block to move. move. He will accomplish this by pushing harder (changing B), or pushing at a different angle (by changing θ), or by changing both? Find the requirement needed for B and/or θ for the block to start moving. motion. If there is no constraint on B and/or θ explain why.arrow_forwardA skier of mass 64 kg skis straight down a 12 degree slope at constant velocity. Draw a free-body diagram of the skier with the various external forces acting on her. Include the force of air resistance, which is directed opposite the velocity. (a) Find the value of the normal force. (b) The force of air resistance has a magnitude of 75 N. Find the frictional force on the skis. (c) What is the coefficient of kinetic friction?arrow_forward
- a 49 kg rock climber is climbing a “chimney.” The coefficient of static friction between her shoes and the rock is 1.2; between her back and the rock is 0.80. She has reduced her push against the rock until her back and her shoes are on the verge of slipping. (a) Draw a free-body diagram of her. (b) What is the magnitude of her push against the rock? (c) What fraction of her weight is supported by the frictional force on her shoes?arrow_forward(b) Write an expression for the sum of the forces in the x-direction using the variables from the above Free Body Diagram. ΣFx= Part (c) Given the coordinate system specified in the problem statement, write an expression for the sum of the forces in the y-direction. Part (d) Write an expression to show the relationship between the maximum friction force, Ff, and the normal force, F. Part (e) Calculate the magnitude of F, in Newtons, if F is at its maximum.arrow_forwardA 68.0 kg crate is dragged across a floor to the right by pulling on a rope attached to the crate and inclined 15.0° above the horizontal. (a) If the coefficient of static friction is 0.500, what minimum force magnitude is required from the rope to start the crate moving? (b) If the coefficient of kinetic friction is 0.350, what is the magnitude of the initial acceleration of the crate? Make a free-body diagram for part (b). Please use the blue vector to specify forces and the pink vector for acceleration. Make sure to label each vector with none, mg, fk, a, FN or T.arrow_forward
- Consider the heaviest box that you can push at constant speed across a level floor, where the coefficient of kinetic friction is 0.50, and estimate the maximum horizontal force that you can apply to the box. A box sits on a ramp that is inclined at an angle of 60 above the horizontal. The coefficient of kinetic friction between the box and the ramp is 0.50. If you apply the same magnitude force, now parallel to the ramp, that you applied to the box on the floor, what is the heaviest box (in pounds) that you can push up the ramp at constant speed? (In both cases assume you can give enough extra push to get the box started moving.)arrow_forwardAn object with a mass of m placed on an oblique surface at an angle. We applied a horizontal force f = mg on the particle as shown. Assume that the friction force between the object and the surface is so large that the object remains in place? Find the vertical force FN and the friction force ff ? In terms of the static friction coefficient, what is the range of the angle at which the object remains stagnant?arrow_forwardBlock B in the figure weighs 711 N. The coefficient of static friction between the block and table is µs = 0.25; assume that the cord between B and the know is horizontal. Find the maximum weight of block A for which the blocks will be at rest.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