Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Textbook Question
Chapter 4, Problem 13CQ
A car goes around a curve traveling at constant speed.
- a. Is the acceleration of the car zero in this process? Explain.
- b. Is there a nonzero net force acting on the car? Explain.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
You are driving north on a highway. Then, without changing speed, you round a curve and drive east . (a)Does your velocity change? (b) Do you accelerate?Explain.
Dana has a sports medal suspended by a long ribbon from her rearview mirror. As she accelerates onto the highway, she notices that the medal is hanging at an angle of 10° from the vertical. a. Does the medal lean toward or away from the windshield? Explain. b. What is her acceleration?
A 600 N man stands on a bathroom scale in an elevator. As the elevator starts moving, the scale reads 800 N. (a) Find the magnitude and direction of the acceleration. (b) What is the acceleration if the scale reads 450 N? (c) If the scale reads zero, should the man worry? Explain.
Chapter 4 Solutions
Physics of Everyday Phenomena
Ch. 4 - Did Galileos work on motion precede in time that...Ch. 4 - Why did Aristotle believe that heavier objects...Ch. 4 - Aristotle believed that a force was necessary to...Ch. 4 - How did Aristotle explain the continued motion of...Ch. 4 - Did Galileo develop a more complete theory of...Ch. 4 - Two equal forces act on two different objects, one...Ch. 4 - A 3-kg block is observed to accelerate at a rate...Ch. 4 - Two equal-magnitude horizontal forces act on a box...Ch. 4 - Is it possible for the final temperature of the...Ch. 4 - Suppose that a bullet is fired from a rifle in...
Ch. 4 - Two equal forces act on an object in the...Ch. 4 - An object moving horizontally across a table is...Ch. 4 - A car goes around a curve traveling at constant...Ch. 4 - Is Newtons first law of motion explained by the...Ch. 4 - Is the mass of an object the same thing as its...Ch. 4 - The gravitational force acting on a lead ball is...Ch. 4 - The acceleration due to gravity on the moon is...Ch. 4 - Is mass a force? Explain.Ch. 4 - Two identical cans, one filled with lead shot and...Ch. 4 - A boy sits at rest on the floor. What two vertical...Ch. 4 - The engine of a car is part of the car and cannot...Ch. 4 - It is difficult to stop a car on an icy road...Ch. 4 - A ball hangs from a string attached to the...Ch. 4 - Would the tablecloth trick (see everyday...Ch. 4 - When a magician performs the tablecloth trick (see...Ch. 4 - A sprinter accelerates at the beginning of a...Ch. 4 - A mule is attempting to move a cart loaded with...Ch. 4 - The upward normal force exerted by the floor on a...Ch. 4 - A toy battery-powered tractor pushes a book across...Ch. 4 - If you get into an elevator on the top floor of a...Ch. 4 - If the elevator cable breaks and you find yourself...Ch. 4 - Two masses, m1 and m2, connected by a string, are...Ch. 4 - Two blocks with the same mass are connected by a...Ch. 4 - Suppose that a skydiver wears a specially...Ch. 4 - Prob. 35CQCh. 4 - Prob. 36CQCh. 4 - A single force of 42 N acts upon a 6-kg block....Ch. 4 - A heavy ball with a mass of 4.5 kg is observed to...Ch. 4 - A net force of 32 N acting on a wooden block...Ch. 4 - A 4.0-kg block being pulled across a table by a...Ch. 4 - A pulled tablecloth exerts a frictional force of...Ch. 4 - A 5-kg block being pushed across a table by a...Ch. 4 - Two forces, one of 70 N and the other of 30 N, act...Ch. 4 - A 5-kg block is acted upon by three horizontal...Ch. 4 - A 9-kg sled sliding freely on an icy surface...Ch. 4 - What is the weight of a 45-kg mass?Ch. 4 - What is the mass of a 735-N weight?Ch. 4 - Patricia has a weight of 125 lb. a. What is her...Ch. 4 - One of the authors of this text has a weight of...Ch. 4 - Who has the larger mass, a woman weighing 160 lb...Ch. 4 - At a given instant in time, a 6-kg rock that has...Ch. 4 - At a given instant in time, a 12-kg rock is...Ch. 4 - A 0.8-kg book rests on a table. A downward force...Ch. 4 - An upward force of 32.6 N is applied via a string...Ch. 4 - A 75-kg woman in an elevator is accelerating...Ch. 4 - A constant horizontal force of 28 N is exerted by...Ch. 4 - A rope exerts a constant horizontal force of 350 N...Ch. 4 - A dish with a mass of 0.3 kg has a force of...Ch. 4 - A 60-kg crate is lowered from a loading dock to...Ch. 4 - Two blocks tied together by a horizontal string...Ch. 4 - A 85-kg man is in an elevator that is accelerating...Ch. 4 - A skydiver has a weight of 850 N. Suppose that 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 pail of water is rotated in a vertical circle of radius 1.00 m. (a) What two external forces act on the water in the pail? (b) Which of the two forces is most important in causing the water to move in a circle? (c) What is the pails minimum speed at the top of the circle if no water is to spill out? (d) Assume the pail with the speed found in part (c) were to suddenly disappear at the top of the circle. Describe the subsequent motion of the water. Would it differ from the motion of a projectile?arrow_forwardA person drives a car around a circular cloverleaf with a radius of 64 m at a uniform speed of 10 m/s. (a) What is the acceleration of the car? (b) Compare this answer with the acceleration due to gravity as a percentage.arrow_forwardA football player weighing 85 kg accelerates from a stationary position,over a distance of 10m and has a final velocity of 25 km/h.a) What is his acceleration?b) Calculate the horizontal force on the centre of gravity of the player.arrow_forward
- A 60 kg Gila monster on a merry-go-round is traveling in a circle with a radius of 3 m at a speed of 2m/s. a. What acceleration does the monster experience? b. What is the net force? How does this compare with the monster’s weight?arrow_forwardAn airplane flys in a circular loop with radius of 750m, the pilot of the airplane have a mass of 75kg. The airplane moves with a constant velocity of 100m/s. a) How much force is being put on the pilot from the seat in the top and bottom of the loop? b) What is the speed if the pilot loses contact with the seat at the top of the loop?arrow_forwardA race car rounds a curve at 60 m/s. The radius of the curve is 400 m, and the car’s mass is 600 kg. (a) What is the centripetal acceleration of the car? (b) What is the centripetal force of the car?arrow_forward
- A hang glider and its pilot have a total mass equal to 120 kg. While executing a 360 degree turn, the glider moved in a circle with an 8 m radius at a speed of 10 m/s a) What is the net force on the hang glider? b) What is the acceleration?arrow_forward1. Answer the following questions regarding uniform circular motion (a) What does the word centripetal ' mean ? (b) Consider mass traveling in a circular path at uniform speed. What is the direction of the acceleration of the mass? (c) Consider a mass traveling in a circular path at uniform speed . What is the direction of the force acting on the mass ?arrow_forwardd) A ball rolls off the edge of a cliff. The ball’s velocity is 27 m.s−1 just before it hits the ground.i. What is the height of the cliff?ii. How long does it take the ball to hit the ground? e) You push with a 2 N force on a box that weighs 7 N. A frictional force of 3N opposes the motion of the box. Calculate the acceleration of the box?arrow_forward
- A 1000 kg race car is traveling at 60 m/s around a curved section of track that has a radius of 300 m. a) what is the cars centripetal acceleration? b)arrow_forwardPicture the situation where a ball is attached to the end of a string. By whirling the ball with the string,you can make it move around in a horizontal circle at constant speed.(a) What is the net vertical force on the ball? Sketch a free-body diagram of the forces acting on the ballfor some point in its circular orbit.(b) What must be the direction of the ball’s acceleration to keep it moving in a horizontal circle?(c) From your free-body diagram in part (a), determine the net force acting on the ball. Does this agreewith part (b)?arrow_forwardIn short-track speed skating, the track has straight sections and semicircles 16 m in diameter. Assume that a 65 kg skater goes around the turn at a constant 12 m/s.a. What is the horizontal force on the skater?b. What is the ratio of this force to the skater’s weight?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 LearningGlencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillUniversity Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Vectors and 2D Motion: Crash Course Physics #4; Author: CrashCourse;https://www.youtube.com/watch?v=w3BhzYI6zXU;License: Standard YouTube License, CC-BY