
EP CONCEPTUAL PHYSICAL SCI.-MOD.MASTER.
6th Edition
ISBN: 9780134091983
Author: Hewitt
Publisher: PEARSON CO
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 1, Problem 45TAS
A horizontal force of 120 N is required to push a book-case across a floor at a constant velocity.
(a) What is the net force acting on the bookcase?
(b) How much is the friction force that acts on the sliding bookcase?
(c) How much friction force acts on the bookcase when it is at rest on a horizontal surface without being pushed?
Expert Solution & Answer

Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
please solve and answer the question correctly. thank you!!
please solve and answer the question correctly. thank you!!
please solve and answer the question correctly. thank you!!
Chapter 1 Solutions
EP CONCEPTUAL PHYSICAL SCI.-MOD.MASTER.
Ch. 1 - Aristotle on Motion 1. What did Aristotle believe...Ch. 1 - Did Aristotle believe that forces are necessary to...Ch. 1 - Galileos Concept of Inertia 3. What idea of...Ch. 1 - Which dominated Galileos way of extending...Ch. 1 - What name is given to the property by which...Ch. 1 - MassA Measure of Inertia 6. Which depends on...Ch. 1 - Where is your weight greater, on Earth or on the...Ch. 1 - What are the unit of measurement for weight and...Ch. 1 - A 1-kg object weight nearly 10 N on Earth. Would...Ch. 1 - Net Force 10. What is the net force on a box that...
Ch. 1 - What two properties are necessary for a vector...Ch. 1 - The Equilibrium Rule 12. Name the force that...Ch. 1 - How much tension is in a vertical rope that holds...Ch. 1 - Prob. 14RCQCh. 1 - One bowling ball sits at rest, and another bowling...Ch. 1 - Support Force 16. Why is the support force on an...Ch. 1 - When you weigh yourself, how does the support...Ch. 1 - The Force of Friction 18. How does the direction...Ch. 1 - If you push to the right on a heavy piece of...Ch. 1 - Suppose you push to the right on a heavy piece of...Ch. 1 - If you push a heavy piece of furniture and it...Ch. 1 - Speed and Velocity 22. Distinguish between speed...Ch. 1 - Why do we say that velocity is a vector and speed...Ch. 1 - Does the speedometer on a vehicle show average...Ch. 1 - How can you be both at rest and moving at 100,000...Ch. 1 - Acceleration 26. Distinguish between velocity and...Ch. 1 - What is the acceleration of an object that moves...Ch. 1 - What is the acceleration of an object in free fall...Ch. 1 - Show that the average speed of a rabbit that runs...Ch. 1 - Calculate your average walking speed when you step...Ch. 1 - Show that the acceleration of a car that can go...Ch. 1 - Show that the acceleration of a hamster is 5 m/s2...Ch. 1 - Show that the hamster in Exercise 37 travels a...Ch. 1 - Show that a freely falling rock drops a distance...Ch. 1 - Find the strength of the net force produced by a...Ch. 1 - Lucy Lightfoot stands with one foot on one...Ch. 1 - Henry Heavyweight weighs 1200 N and stands on a...Ch. 1 - The sketch shows a painters scaffold in mechanical...Ch. 1 - A different scaffold that weighs 400 N supports...Ch. 1 - A horizontal force of 120 N is required to push a...Ch. 1 - Driving along the toad at 88 km/h, Reckless Rick...Ch. 1 - An airplane with an airspeed of 90 km/h lands on a...Ch. 1 - (a) Show that the average speed of a tennis ball...Ch. 1 - (a) Show that Leslies average speed is 10 km/h...Ch. 1 - (a) Show that the acceleration is 7.5 m/s2 for a...Ch. 1 - Lillian rides her bicycle along a straight road at...Ch. 1 - Extend Table 1.2 (which gives values from 0 to 5...Ch. 1 - A car races on a circular track of radius r. (a)...Ch. 1 - A ball is thrown straight up with an animal speed...Ch. 1 - A ball is thrown straight up with enough speed so...Ch. 1 - A school bus slows to a stop with an average...Ch. 1 - An airplane starting from rest, at one end of a...Ch. 1 - The weights of Burl, Paul and the scaffold produce...Ch. 1 - Rank, from greatest to least, the net force on the...Ch. 1 - Different materials. A, B, C, and D, rest on a...Ch. 1 - Three pucks, A, B, and C, are sliding across ice...Ch. 1 - EXERCISES (SYNTHESIS) 1.1. Aristotle on Motion 62....Ch. 1 - Which of Aristotle's ideas did Galileo discredit...Ch. 1 - Galileo's Concept of Inertia 64. A bawling ball...Ch. 1 - A space probe is carried by a rocket into outer...Ch. 1 - When a ball rolls down an incline, it gains speed...Ch. 1 - MassA Measure of Inertia 67. What physical...Ch. 1 - Which has more mass: a 2-kg fluffy pillow or a...Ch. 1 - Is a person on a diet more accurately said to lose...Ch. 1 - Personally, what is your mass in kilograms? Your...Ch. 1 - Gravitational force on the Moon is merely 1/6 the...Ch. 1 - Net Force 72. A monkey harp stationary at the end...Ch. 1 - Suppose the monkey weighs 100 N and the vine...Ch. 1 - If the vine that supports the monkey breaks, what...Ch. 1 - The Equilibrium Rule 75. Can an object be in...Ch. 1 - When you push downward on a book that it at rest...Ch. 1 - Nellie Newton hangs at rest from the ends of the...Ch. 1 - A hockey puck at rest is in equilibrium. Is it in...Ch. 1 - Support Force 79. An empty jug of weight W is at...Ch. 1 - Place a heavy book on a table, and the table...Ch. 1 - The Force of Friction 81. In order to slide a...Ch. 1 - Consider your desk at rest on your bedroom floor....Ch. 1 - In Figure 1.15 we see Marie pushing horizontally...Ch. 1 - Speed and Velocity 84. One ultralight aircraft...Ch. 1 - What is the impact speed when a car moving at 100...Ch. 1 - You're in a car traveling on a highway at some...Ch. 1 - Emily Easy go can paddle a canoe in still water at...Ch. 1 - Acceleration 88. Grade says acceleration is how...Ch. 1 - What is the acceleration of a Tesla automobile...Ch. 1 - What is the acceleration of a car that moves at a...Ch. 1 - Correct your friend who says, "Japan's bullet...Ch. 1 - Suppose that a freely falling object were somehow...Ch. 1 - Consider a freely falling object dropped from...Ch. 1 - Asteroids have been moving through space for...Ch. 1 - In answer to the question "What keeps Earth moving...Ch. 1 - Harry the painter swings year after year from his...Ch. 1 - For the pulley system shown, what is the upper...Ch. 1 - When the strong man in Exercise 97 exerts a...Ch. 1 - In tearing a paper towel or plastic bag from a...Ch. 1 - Someone standing at the edge of a cliff (as in...Ch. 1 - When a ball is tossed straight up, it momentarily...Ch. 1 - Suppose that a freely falling object falls from a...Ch. 1 - In the absence of air resistance, a ballplayer...Ch. 1 - On which of these hills does the ball roll down...Ch. 1 - Because Earth routes once every 24 hours, the west...Ch. 1 - If you toss a coin straight upward while riding in...Ch. 1 - Two balls, A and B, are released simultaneously...Ch. 1 - Refer to the tracks in Exercise 107. (a) Does ball...Ch. 1 - Choose the BEST way to complete the statement. 1....Ch. 1 - According to Galileo, inertia is a (a) force like...Ch. 1 - When a 10-kg block is simultaneously pushed...Ch. 1 - Tension is actually a force that tends to (a)...Ch. 1 - The equilibrium rule, F = 0, applies to (a)...Ch. 1 - When you stand on two bathroom scales, one fool on...Ch. 1 - Your Average speed in skateboarding to your...Ch. 1 - If an object moves with constant acceleration, its...Ch. 1 - If a falling object gains 10 m/s each second it...Ch. 1 - A freely falling object his a speed of 30 m/s at...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Which of the following statements about the general functions of the nervous system is false?
The three primary...
Human Anatomy & Physiology (2nd Edition)
1.3 Obtain a bottle of multivitamins and read the list of ingredients. What are four chemicals from the list?
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
What two body structures contain flexible elastic cartilage?
Anatomy & Physiology (6th Edition)
8. What potential difference is needed to accelerate a He+·ion (charge +e, mass 4 u) from rest to a speed of 1....
College Physics: A Strategic Approach (3rd Edition)
Modified True/False 9. A giant bacterium that is large enough to be seen without a microscope is Selenomonas.
Microbiology with Diseases by Body System (5th Edition)
Heat lamps are commonly used to maintain foods at about 50C for as long as 12 hours in cafeteria serving lines....
Microbiology: An Introduction
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 solve and answer the question correctly. thank you!! (hint in 2nd photo)arrow_forwardNewton's Laws of Motion - Please help with the first angle calculations of standard deviation and margin of error. I just need a model and I can figure out the other two angles. Thanks!arrow_forward2. A battleship simultaneously fires two shells at enemy ships. If the shells follow the parabolic trajectories shown, which ship gets hit first? a. A b. both at the same time C. B d. need more information battleship Barrow_forward
- A m₁ = 1.70-kg aluminum block and a m₂ = 8.00-kg copper block are connected by a light string over a frictionless pulley. The two blocks are allowed to move on a fixed steel block wedge (of angle 0 = 31.5°) as shown in the figure. (For aluminum on steel, μk k = 0.36.) Мк Aluminum m Copper = 0.47. For copper on steel, Steel m2 Ꮎ (a) the acceleration of the two blocks m/s² (b) the tension in the string Narrow_forwardWhile the 83.3 kg Dora Milaje is in equilibrium, the rope makes a 70.0˚ angle with the horizontal. Assuming the coefficient of friction between her shoes and the ship is 0.772 and her static friction is at its maximum value, what is the tension in the cable?arrow_forwardCan someone help me asnwer this thank youarrow_forward
- Please solve and answer the problem correctly please. Be sure to give explanations on each step and write neatlyplease. Thank you!! ( preferably type the explantion, steps and solution please )arrow_forwardA square coil that has 17.5 cm on each side containing 17 loops lies flat on your desk as shown on this page. A uniform magnetic field of magnitude 4.60 × 10-ST points into this page. If a 8.50-A clockwise Current flows through the coil. ca) determine the torque on the coil. N.m (b) which edge of the coil rises up? choose one 。 Bottom отор and explain. O Right • None of these О Left.arrow_forwardA circular loop of wire with a diameter of 13.0 cm is in the horizontal plane and carries of 1.70 A clockwise, as viewed from underneath. What is the magnitude magnetic field as the center of the loop? -T what is the direction of magnetic field at the center or down? please explain. of the loop? uparrow_forward
- Starlord has a mass of 89.3 kg and Groot is pulling the bag with a force of 384. N at an angle of 35.0˚ as is shown in the figure below. What is the coefficient of kinetic friction if they are moving at a constant speed of 2.31 m/s?arrow_forwardEarly on in the video game Shadow of the Tomb Raider Lara Croft uses a winch to pull a heavy crate of stone up a 23.6° incline. If Lara causes the 66.0 kg crate to accelerate at 2.79 m/s2 up the ramp, what is the tension in the rope pulling the block? The coefficient of kinetic friction between the block and the ground is 0.503.arrow_forwardA player kicks a football at the start of the game. After a 4 second flight, the ball touches the ground 50 m from the kicking tee. Assume air resistance is negligible and the take-off and landing height are the same (i.e., time to peak = time to fall = ½ total flight time). (Note: For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places unless stated otherwise.) Calculate and answer all parts. Only use equations PROVIDED:arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
- College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillPhysics for Scientists and Engineers with Modern ...PhysicsISBN:9781337553292Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning

Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning

Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning

College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning

College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning

Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill

Physics for Scientists and Engineers with Modern ...
Physics
ISBN:9781337553292
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