University Physics Volume 1
18th Edition
ISBN: 9781938168277
Author: William Moebs, Samuel J. Ling, Jeff Sanny
Publisher: OpenStax - Rice University
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 5, Problem 26P
A cleaner pushes a 4.50-kg laundry cart in such a way that the net external force on it is 60.0 N. Calculate the magnitude of his cart’s acceleration.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
m
C
A block of mass m slides down a ramp of height hand
collides with an identical block that is initially at rest.
The two blocks stick together and travel around a loop of
radius R without losing contact with the track. Point A is
at the top of the loop, point B is at the end of a horizon-
tal diameter, and point C is at the bottom of the loop, as
shown in the figure above. Assume that friction between
the track and blocks is negligible.
(a) The dots below represent the two connected
blocks at points A, B, and C. Draw free-body dia-
grams showing and labeling the forces (not com
ponents) exerted on the blocks at each position.
Draw the relative lengths of all vectors to reflect
the relative magnitude of the forces.
Point A
Point B
Point C
(b) For each of the following, derive an expression in
terms of m, h, R, and fundamental constants.
i. The speed of moving block at the bottom of
the ramp, just before it contacts the stationary
block
ii. The speed of the two blocks immediately…
The velocity of an elevator is given by the graph shown.
Assume the positive direction is upward.
Velocity (m/s)
3.0
2.5
2.0
1.5
1.0
0.5
0
0
5.0
10
15
20
25
Time (s)
(a) Briefly describe the motion of the elevator.
Justify your description with reference to the
graph.
(b) Assume the elevator starts from an initial position
of y = 0 at t=0. Deriving any numerical values
you
need from the graph:
i. Write an equation for the position as a
function of time for the elevator from
t=0 to t = 3.0 seconds.
ii. Write an equation for the position as a
function of time for the elevator from t = 3.0
seconds to t = 19 seconds.
(c) A student of weight mg gets on the elevator
and rides the elevator during the time interval
shown in the graph. Consider the force of con-
tact, F, between the floor and the student. How
Justify your answer with reference to the graph
does F compare to mg at the following times?
and your equations above.
i. = 1.0 s
ii. = 10.0 s
Students are asked to use circular motion to measure the
coefficient of static friction between two materials. They
have a round turntable with a surface made from one of
the materials, for which they can vary the speed of rotation.
They also have a small block of mass m made from the sec-
ond material. A rough sketch of the apparatus is shown in
the figure below. Additionally they have equipment normally
found in a physics classroom.
Axis
m
(a) Briefly describe a procedure that would allow you
to use this apparatus to calculate the coefficient of
static friction, u.
(b) Based on your procedure, determine how to
analyze the data collected to calculate the
coefficient of friction.
(c) One group of students collects the following
data.
r (m)
fm (rev/s)
0.050
1.30
0.10
0.88
0.15
0.74
0.20
0.61
0.25
0.58
i. Use the empty spaces in the table as needed to
calculate quantities that would allow you to
use the slope of a line graph to calculate the
coefficient of friction, providing labels with…
Chapter 5 Solutions
University Physics Volume 1
Ch. 5 - Check Your Understanding Find the magnitude and...Ch. 5 - Check Your Understanding A skydiver opens his...Ch. 5 - Check Your Understanding At the time of its...Ch. 5 - Check Your Understanding A 550-kg sports car...Ch. 5 - Check Your Understanding A car gas forces acting...Ch. 5 - Check Your Understanding For Example 5.8, find the...Ch. 5 - Check Your Understanding Two blocks are at rest...Ch. 5 - Check Your Understanding A force of 1150 N acts...Ch. 5 - Check Your Understanding One end of a 3.0-m rope...Ch. 5 - Check Your Understanding (a) Draw the free-body...
Ch. 5 - What properties do forces have that allow us to...Ch. 5 - Taking a frame attached to Earth as inertial,...Ch. 5 - A woman was transporting an open box of cupcakes...Ch. 5 - Why can we neglect forces such as those holding a...Ch. 5 - A rock is thrown straight up. At the top of the...Ch. 5 - What is the relationship between weight and mass?...Ch. 5 - How much does a 70-kg astronaut weight in space,...Ch. 5 - Which of the following statements is accurate? (a)...Ch. 5 - When you stand on Earth, your feet push against it...Ch. 5 - How would you give the value of g in vector form?Ch. 5 - Newton’s Third Law Identity the action and...Ch. 5 - Suppose that you are holding a cup of coffee in...Ch. 5 - (a) Why does an ordinary rifle recoil (kick...Ch. 5 - Common Forces A table is placed on a rug. Then a...Ch. 5 - A particle is moving to the right. (a) Can the...Ch. 5 - Drawing Free-Body Diagrams In completing the...Ch. 5 - If a book is located on a table, how many forces...Ch. 5 - If the book in the previous question is in free...Ch. 5 - Two ropes are attached to a tree, and forces of...Ch. 5 - A telephone pole has three cables pulling as shown...Ch. 5 - Two teenagers are pulling on ropes attached to a...Ch. 5 - Two forces of and act on an object. Find the third...Ch. 5 - While sliding a couch across a floor, Andrea and...Ch. 5 - Newton’s Second Law Andrea, a 63.0-kg sprinter,...Ch. 5 - If the sprinter from the previous problem...Ch. 5 - A cleaner pushes a 4.50-kg laundry cart in such a...Ch. 5 - Astronauts in orbit are apparently weightless....Ch. 5 - In Figure 5.12, the net external force on the...Ch. 5 - The rocket sled shown below decelerates at a rate...Ch. 5 - If the rocket sled shown in the previous problem...Ch. 5 - What is the deceleration of the rocket sled if it...Ch. 5 - Suppose two children push horizontally, but in...Ch. 5 - A powerful motorcycle can produce an acceleration...Ch. 5 - A car with a mass of 1000.0 kg accelerates from 0...Ch. 5 - The driver in the previous problem applies the...Ch. 5 - An 80.0-kg passenger in an SUV traveling at...Ch. 5 - A particle of mass 2.0 kg is acted on by a single...Ch. 5 - Suppose that the particle of the previous problem...Ch. 5 - Find the acceleration of the body of mass 5.0 kg...Ch. 5 - In the following figure, the horizontal surface on...Ch. 5 - Mass and Weight The weight of an astronaut plus...Ch. 5 - Suppose the mass of a fully loaded module in which...Ch. 5 - A rocket sled accelerates at a rate of 49.0m/s2 ....Ch. 5 - Repeat the previous problem for a situation in...Ch. 5 - A body of mass 2.00 kg is pushed straight upward...Ch. 5 - A car weighing 12,500 N stalls from rest and...Ch. 5 - A body with a mass of 10.0 kg is assumed to be in...Ch. 5 - A fireman has mass m ; he hears the fire alarm and...Ch. 5 - A baseball catcher is performing a stunt for a...Ch. 5 - When the Moon is directly overhead at sunset, the...Ch. 5 - (a) What net external force is exerted on a...Ch. 5 - A brave but inadequate rugby player is being...Ch. 5 - A history book is lying on top of a physics book...Ch. 5 - A truck collides with a car, and during the...Ch. 5 - Common Forces A leg is suspended in a traction...Ch. 5 - Suppose the shinbone in the preceding image was a...Ch. 5 - Two teams of nine members each engage in...Ch. 5 - What force does a trampoline have to apply to...Ch. 5 - (a) Calculate the tension in a vertical strand of...Ch. 5 - Suppose Kevin, a 60.0-kg gymnast, climbs a rope....Ch. 5 - Show that, as explained in the text, a force F...Ch. 5 - Consider Figure 5.28. The driver attempts to get...Ch. 5 - A bird has a mass of 26g and perches in the middle...Ch. 5 - -m rope is tied to a tree; the other end is tied...Ch. 5 - Consider the baby being weighed in the following...Ch. 5 - What force must be applied to a 100.0-kg crate on...Ch. 5 - A 2.0-kg block is on a perfectly smooth ramp that...Ch. 5 - Drawing Free-Body Diagrams A ball of mass m hangs...Ch. 5 - A car moves along a horizontal road. Draw a free-...Ch. 5 - A runner pushes against the track, as shown. (a)...Ch. 5 - The traffic light hangs from the cables as shown....Ch. 5 - Two small forces, F1=2.40i6.10tj N and...Ch. 5 - Two forces of 25 and 45 N act on an object. Their...Ch. 5 - A force of 1600 N acts parallel to a ramp to push...Ch. 5 - Draw a free-body diagram of a diver who has...Ch. 5 - For a swimmer who has just jumped off a diving...Ch. 5 - (a) Find an equation to determine the magnitude of...Ch. 5 - A sailboat has a mass of 1.50103kg and is acted on...Ch. 5 - Find the acceleration of the body of mass 10.0 kg...Ch. 5 - A body of mass 2.0 kg is moving along the x -axis...Ch. 5 - Force FBhas twice the magnitude of force FA. Find...Ch. 5 - Shown below is a body of mass 1.0 kg under the...Ch. 5 - A force acts on a car of mass m so that the speed...Ch. 5 - A 7.0-N force parallel to an incline is applied to...Ch. 5 - Two boxes, A and B, are at rest Box A is on level...Ch. 5 - A mass of 250.0 g is suspended from a spring...Ch. 5 - As shown below, two identical springs, each with...Ch. 5 - Shown below is a 30.0-kg block resting on a...Ch. 5 - In building a house, carpenters use nails from a...Ch. 5 - A force is applied to a block to move it up a 30...Ch. 5 - Two forces are applied to a 5.0-kg object, and it...Ch. 5 - The block on the tight shown below has more mass...Ch. 5 - If two tugboats pull on a disabled vessel, as...Ch. 5 - A 10.0-kg object is initially moving east at 15.0...Ch. 5 - On June 25, 1983, shot-putter Udo Beyer of East...Ch. 5 - A body of mass m moves in a horizontal direction...Ch. 5 - A body of mass m has initial velocity v0 in the...Ch. 5 - The velocities of a 3.0-kg object at and are and...Ch. 5 - A 120-kg astronaut is riding in a rocket sled that...Ch. 5 - Two forces are acting on a 5.0-kg object that...Ch. 5 - Suppose that you are viewing a soccer game from a...Ch. 5 - A 10.0-kg mass hangs from a spring that has the...Ch. 5 - A 0.0502-kg pair of fuzzy dice is attached to the...Ch. 5 - At a circus, a donkey pulls on a sled carrying a...Ch. 5 - Hanging from the ceiling over a baby bed, well out...Ch. 5 - A bullet shot from a rifle has mass of 10.0 g and...Ch. 5 - An object is acted on by three simultaneous...Ch. 5 - In a particle accelerator, a proton has mass...Ch. 5 - A drone is being directed across a frictionless...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Draw the following orbitals: a. 3s orbital b. 4s orbital c. 3p orbital
Organic Chemistry (8th Edition)
Fibrous connective tissue consists of ground substance and fibers that provide strength, support, and flexibili...
Human Biology: Concepts and Current Issues (8th Edition)
4. Three groups of nonvascular plants are _______, ______, and _______. Three groups of seedless vascular plant...
Biology: Life on Earth (11th Edition)
18. SCIENTIFIC THINKING By measuring the fossil remains of Homo floresiensis, scientists have estimated its wei...
Campbell Biology: Concepts & Connections (9th Edition)
Choose the best answer to each of the following. Explain your reasoning. Which of these star clusters is younge...
Cosmic Perspective Fundamentals
SCIENTIFIC INQUIRY DRAW IT As a consequence of size alone, larger organisms tend to have larger brains than sm...
Campbell Biology (11th 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
- In general it is best to conceptualize vectors as arrows in space, and then to make calculations with them using their components. (You must first specify a coordinate system in order to find the components of each arrow.) This problem gives you some practice with the components. Let vectors A = (1,0, -3), B = (-2, 5, 1), and C = (3,1,1). Calculate the following, and express your answers as ordered triplets of values separated by commas.arrow_forwardIn general it is best to conceptualize vectors as arrows in space, and then to make calculations with them using their components. (You must first specify a coordinate system in order to find the components of each arrow.) This problem gives you some practice with the components. Let vectors A = (1,0, −3), B = (-2, 5, 1), and C = (3,1,1). Calculate the following, and express your answers as ordered triplets of values separated by commas.arrow_forwardOnly Part C.) is necessaryarrow_forward
- Only Part B.) is necessaryarrow_forwardA (3.60 m) 30.0°- 70.0° x B (2.40 m)arrow_forwardIn general it is best to conceptualize vectors as arrows in space, and then to make calculations with them using their components. (You must first specify a coordinate system in order to find the components of each arrow.) This problem gives you some practice with the components. Let vectors A = (1,0, -3), B = (-2, 5, 1), and C = (3,1,1). Calculate the following, and express your answers as ordered triplets of values separated by commas.arrow_forward
- fine the magnitude of the vector product express in sq meters what direction is the vector product in -z or +zarrow_forward4) Three point charges of magnitude Q1 = +2.0 μC, Q2 = +3.0 μС, Q3 = = +4.0 μС are located at the corners of a triangle as shown in the figure below. Assume d = 20 cm. (a) Find the resultant force vector acting on Q3. (b) Find the magnitude and direction of the force. d Q3 60° d Q1 60° 60° Q2 darrow_forwardThree point charges of magnitudes Q₁ = +6.0 μС, Q₂ = −7.0 μС, Qз = −13.0 μC are placed on the x-axis at x = 0 cm, x = 40 cm, and x = 120 cm, respectively. What is the force on the Q3 due to the other two charges?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-Hill
- College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice UniversityPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Physics for Scientists and Engineers, Technology ...
Physics
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
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