Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 16.1, Problem 5cTH
A block is at rest on an incline as shown below at right. A hand pushes vertically downward with a constant force. The block remains at rest on the incline.
c. Suppose that the hand were to push with a constant force directed as shown at right. The block remains at rest on the incline.
-
i. Is the magnitude of the net force on the block
greater than, less than, or
equal to the magnitude of the net force on the block in part a? Explain.
ii. Is the magnitude of the frictional force exerted on the block by the incline greater than, less than, or equal to the magnitude of the friction force exerted on the block by the incline in part a? Explain.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A person pushes a box along the ground. The box has the force diagram shown below. Examine the force diagram to answer the
following questions:
a. Is the box in equilibrium? If so explain how you can tell. If not, explain why not.
b. If the person wants the box to move at constant velocity, should they adjust their pushing on the block? If so, explain how they should
change their push. If not, explain why they should change nothing about their push.
Normal force
(ground)
Normal force
(person)
Friction force
(ground)
Gravity
(Earth)
Two blocks, A and B, are connected by a rope. A second rope is connected to block B and a steady, horizontal tension force of T=50 Newtons is applied. The system moves at a constant speed across the ground. Block B experiences a friction force of 10 Newtons.
A.Draw and label an appropriate force vector diagram for block B.
B.What is the friction force acting on block A?
The diagram shows the forces acting on a lorry as it travels along a flat road.
a. Two of the forces have effects that cancel eachother out. Which two? Explain your answer.
b. What is the resultant force of the lorry? Give it's magnitude and direction
c. What effect will this resultant force have on the speed at which the lorry is travelling?
Chapter 16 Solutions
Tutorials in Introductory Physics
Ch. 16.1 - Draw a freebody diagram for the book. Label each...Ch. 16.1 - How do the forces exerted on the book in this case...Ch. 16.1 - Consider the following statement made by a student...Ch. 16.1 - Consider a book on top of a level table while the...Ch. 16.1 - Review your answer to part a. In addition, reread...Ch. 16.1 - In the spaces below, draw a free-body diagram for...Ch. 16.1 - Identify all the Newton’s third law...Ch. 16.1 - Rank, from largest to smallest, the magnitudes of...Ch. 16.1 - Draw and label a freebody diagram for system S12 .Ch. 16.1 - Compare the forces that appear on your free-body...
Ch. 16.1 - Let C represent the system consisting of the whole...Ch. 16.1 - A block is at rest on an incline as shown below at...Ch. 16.1 - A block is at rest on an incline as shown below at...Ch. 16.1 - A block is at rest on an incline as shown below at...Ch. 16.1 - Draw a free-body diagram for the book. Label the...Ch. 16.1 - For each force that appears on your free-body...Ch. 16.2 - In the spaces provided draw and label separate...Ch. 16.2 - Rank the magnitudes of all the horizontal forces...Ch. 16.2 - Are any of the forces that you drew for instant 1...Ch. 16.2 - Are any of the forces that you drew for instant 1...Ch. 16.2 - Two creates, A and B, are in an elevator as shown....Ch. 16.2 - As the elevator approach its destination, its...Ch. 16.2 - Prob. 3aTHCh. 16.2 - The vector representing the acceleration systems A...Ch. 16.2 - The vector representing the net force on system A...Ch. 16.2 - The vector representing the frictional force on...Ch. 16.2 - Prob. 4bTHCh. 16.2 - Prob. 4cTHCh. 16.2 - Prob. 4dTHCh. 16.2 - Prob. 5aTHCh. 16.2 - Using only the forces in your free-body diagram...Ch. 16.2 - Using only the forces in your free-body diagrams...Ch. 16.2 - Suppose the friction between the two blocks is...Ch. 16.3 - Draw an arrow to indicate the direction of the...Ch. 16.3 - Draw an arrow to indicate the direction of force...Ch. 16.3 - Draw and label a free-body diagram for the block...Ch. 16.3 - Prob. 2THCh. 16.3 - Describe the motion of each of the systems A, B,...Ch. 16.3 - Draw vectors below to represent the acceleration...Ch. 16.3 - Draw and label separate freebody diagrams for...Ch. 16.3 - Rank the magnitudes of the net forces on systems...Ch. 16.3 - Write expressions for the tension in strings P and...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Explain all answers clearly, with complete sentences and proper essay structure if needed. An asterisk (*) desi...
Cosmic Perspective Fundamentals
4. By how much does the pressure of a gas in a right vessel decrease when the temperature is decreased from 0°C...
Conceptual Physical Science (6th Edition)
Review Question 8.6 Why is a ball hanging by a thread in stable equilibrium, while a pencil balanced on its tip...
College Physics
Calculate the force a 70.0-kg high jumper must exert on the ground to produce an upward acceleration 4.00 times...
College Physics
3. What is free-fall, and why does it make you weightless? Briefly describe why astronauts are weightless in th...
The Cosmic Perspective (8th Edition)
23.42 A very large plastic sheet carries a uniform charge density of ?6.00 nC/m2 on one face, (a) As you move a...
University Physics with Modern Physics (14th Edition)
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 adults and a child wants to push a wheeled cart in the direction marked in x. The two adults push with horizontal forces F1 and F2 as shown. A.) Find the magnitude and direction of the smallest force that the child should exert. Ignore the effects of friction. B.) If the child exerts the minimum force found in part A, the cart accelerates at 2.0 m/s 2 in the +x- direction. What is the weight of the cart?arrow_forwardThe picture below demonstrates a block at rest on a desk. If a force applied of 150 N at the angle given in the picture below is applied to the block, what is the normal force acting on the block? a. 1.8 x 102 N [U] b. 5.1 x 101 N [U] c. 3.1x 102 N [U] d. 1.0 x 102 N [U] e. 2.5 x 102 N [U]arrow_forwardc. Suppose the incline in part b is now placed on a frictionless table. Frictionless i. Is the net force on the block always zero? Explain. ii. Is the net force on the incline always zero? Explain. iii. Is the net force on the block-incline system always zero? Explain. iv. Is the momentum of the block conserved? Explain. v. Is the momentum of the incline conserved? Explain. vi. Is the momentum of the block-incline system conserved? Explain.arrow_forward
- e1 A double incline is setup with two ramps as shown. The left block has a mass m1, and the right block has a mass m2. The left ramp is rough with kinetic friction coefficient uy and an angle 01. The ramp on the right is frictionless with an angle 02. The pulley is massless and frictionless. Assume the system starts accelerating to the right on initial release. a) In the Space below draw a set of free body diagrams (or a single one if taking that method which is fine) to fully describe all forces in this problem. b) Find an equation for the acceleration of the system.arrow_forwardF m A block of mass m is pulled along a rough horizontal surface by a force F that is applied at an angle e above the horizontal. The block moves at a constant horizontal acceleration a. Express all the results in terms of m, 0, F, a, and fundamental constants. a. Draw and label a free-body diagram showing all the forces acting on the block. b. Write an expression for the normal force applied by the surface to the block. c. Determine the coefficient of kinetic friction between the block and the surface. d. Sketch two graphs on the axes below: velocity and displacement as functions of time, assuming the block started from rest at x = 0 and t = 0. e. The applied force can be large enough to levitate the block above the surface. Derive an expression for the maximum acceleration of the block that enables it to maintain contact with the surface. 1.arrow_forwardSuppose that a boat weighs 400 pounds and is on a ramp inclined at 30°. Represent the force due to gravity, F, using F = - 400j as shown in the figure to the right. a. Write a unit vector along the ramp in the upward direction. b. Find the vector projection of F onto the unit vector from part a. c. What is the magnitude of the vector projection in part b? What does this represent? F F₂.arrow_forward
- e) A crate being pushed and pulled by the forces while moving to the right with acceleration a on a surface as in the figure below (friction present) f) A pulley system as we have seen in the class demo. Assume that the force F is able to lift the mass at a constant rate. 2. Write Newton's 2nd law for both x and y axes for the case e) and for the mass of case f) of problem 1.;arrow_forwardA force f acts on a block which rest on a smooth inclined plane as shown. indicate all forces acting on the block including the resolved components of f. II. Write down the component of f along the plane. II. Write equations represent in equilibrium of the block.arrow_forwardThe worker holds the bucket stationary so that it makes an angle of 30° to the vertical (as shown in the diagram at the right). Another worker then fills the bucket with bricks until the total mass of the bucket is 96 kg. a) What is the weight of the bucket? b) Are the forces acting on the bucket in equilibrium? Explain. c) Draw a fully labeled force diagram (not to scale) showing all the forces acting on the bucket. (Represent the bucket with a large dot.)arrow_forward
- When traveling on an airplane you get meals on a serving tray that has large coefficients of static and kinetic friction between the tray and dishes on it. Assume the airplane is moving from left to right. Assume also that the tray is parallel to the velocity of the airplane. c. Draw a force diagram for a cup on a serving tray as seen by a stationary observer on Earth if the airplane is on a runway and slowing down; the cup is sliding. Next to the force diagram draw an arrow that shows the velocity of the cup relative to the airplane.arrow_forwardWhen traveling on an airplane you get meals on a serving tray that has large coefficients of static and kinetic friction between the tray and dishes on it. Assume the airplane is moving from left to right. Assume also that the tray is parallel to the velocity of the airplane. Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. a. Draw a force diagram for a cup on a serving tray as seen by a stationary observer on Earth if the airplane is flying horizontally at constant speed; the cup is at rest on the tray.arrow_forwardWhen traveling on an airplane you get meals on a serving tray that has large coefficients of static and kinetic friction between the tray and dishes on it. Assume the airplane is moving from left to right. Assume also that the tray is parallel to the velocity of the airplane. Draw the vectors starting at the black dot. The location, orientation, and relative length of the vectors will be graded. The exact length of the vectors will not be graded. a. Draw a force diagram for a cup on a serving tray as seen by a stationary observer on Earth if the airplane is flying horizontally at constant speed; the cup is at rest on the tray. b. Draw a force diagram for a cup on a serving tray as seen by a stationary observer on Earth if the airplane is on a runway and slowing down; the cup is at rest on the tray. c. Draw a force diagram for a cup on a serving tray as seen by a stationary observer on Earth if the airplane is on a runway and slowing down; the cup is sliding. Next to the force diagram…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 Third Law of Motion: Action and Reaction; Author: Professor Dave explains;https://www.youtube.com/watch?v=y61_VPKH2B4;License: Standard YouTube License, CC-BY