Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
9th Edition
ISBN: 9781305266292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 6, Problem 3CQ
An object executes circular motion with constant speed whenever a net force of constant magnitude acts perpendicular to the velocity. What happens to the speed if the force is not perpendicular to the velocity?
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An object executes circular motion with constant speed whenever a net force of constant magnitude acts perpendicular to the velocity. What happens to the speed if the force is not perpendicular to the velocity?
A small block with mass 0.0425 kg slides in a vertical
circle of radius 0.450 m on the inside of a circular
track During one of the revolutions of the block, when
the block is at the bottom of its path, point A, the
magnitude of the normal force exerted on the block by
the track has magnitude 3 85 N. In this same
revolution, when the block reaches the top of its path,
point B, the magnitude of the normal force exerted on
the block has magnitude 0575 N
Part A
How much work was done on the block by friction during the motion of the block from point A to point B
Express your answer with the appropriate units.
Writion 0.15
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In uniform circular motion, the net force is perpendicular to the velocity and changes the direction of the velocity but not the speed. If a projectile is launched horizontally,the net force (ignoring air resistance) is perpendicular to the initial velocity, and yet the projectile gains speed as it falls. What is the difference between the two situations?
Chapter 6 Solutions
Physics for Scientists and Engineers with Modern, Revised Hybrid (with Enhanced WebAssign Printed Access Card for Physics, Multi-Term Courses)
Ch. 6.1 - You are riding on a Ferris wheel that is rotating...Ch. 6.2 - A bead slides at constant speed along a curved...Ch. 6.3 - Consider the passenger in the car making a left...Ch. 6.4 - A basketball and a 2-inch-diameter steel ball,...Ch. 6 - Prob. 1OQCh. 6 - Prob. 2OQCh. 6 - A door in a hospital has a pneumatic closer that...Ch. 6 - A pendulum consists of a small object called a bob...Ch. 6 - Prob. 5OQCh. 6 - An office door is given a sharp push and swings...
Ch. 6 - Prob. 7OQCh. 6 - Prob. 1CQCh. 6 - Prob. 2CQCh. 6 - An object executes circular motion with constant...Ch. 6 - Describe the path of a moving body in the event...Ch. 6 - Prob. 5CQCh. 6 - If someone told you that astronauts are weightless...Ch. 6 - Prob. 7CQCh. 6 - Prob. 8CQCh. 6 - Why does a pilot tend to black out when pulling...Ch. 6 - A pail of water can be whirled in a vertical path...Ch. 6 - Prob. 1PCh. 6 - Whenever two Apollo astronauts were on the surface...Ch. 6 - In the Bohr model of the hydrogen atom, an...Ch. 6 - A curve in a road forms part of a horizontal...Ch. 6 - In a cyclotron (one type of particle accelerator),...Ch. 6 - A car initially traveling eastward turns north by...Ch. 6 - Prob. 7PCh. 6 - Consider a conical pendulum (Fig. P6.8) with a bob...Ch. 6 - A coin placed 30.0 cm from the center of a...Ch. 6 - Why is the following situation impossible? The...Ch. 6 - Prob. 11PCh. 6 - Prob. 12PCh. 6 - Prob. 13PCh. 6 - A 40.0-kg child swings in a swing supported by two...Ch. 6 - Prob. 15PCh. 6 - Prob. 16PCh. 6 - A roller coaster at the Six Flags Great America...Ch. 6 - One end of a cord is fixed and a small 0.500-kg...Ch. 6 - An adventurous archeologist (m = 85.0 kg) tries to...Ch. 6 - An object of mass m = 5.00 kg, attached to a...Ch. 6 - Prob. 21PCh. 6 - Prob. 22PCh. 6 - A person stands on a scale in an elevator. As the...Ch. 6 - Review. A student, along with her backpack on the...Ch. 6 - A small container of water is placed on a...Ch. 6 - Prob. 26PCh. 6 - The mass of a sports car is 1 200 kg. The shape of...Ch. 6 - Prob. 28PCh. 6 - Prob. 29PCh. 6 - A small piece of Styrofoam packing material is...Ch. 6 - Prob. 31PCh. 6 - Prob. 32PCh. 6 - Assume the resistive force acting on a speed...Ch. 6 - Review. A window washer pulls a rubber squeegee...Ch. 6 - Prob. 35PCh. 6 - You can feel a force of air drag on your hand if...Ch. 6 - A car travels clockwise at constant speed around a...Ch. 6 - Prob. 38APCh. 6 - A string under a tension of 50.0 N is used to...Ch. 6 - Disturbed by speeding cars outside his workplace,...Ch. 6 - A car of mass m passes over a hump in a road that...Ch. 6 - A childs toy consists of a small wedge that has an...Ch. 6 - A seaplane of total mass m lands on a lake with...Ch. 6 - An object of mass m1 = 4.00 kg is tied to an...Ch. 6 - A ball of mass m = 0.275 kg swings in a vertical...Ch. 6 - Why is the following situation impossible? A...Ch. 6 - Prob. 47APCh. 6 - Prob. 48APCh. 6 - Prob. 49APCh. 6 - A basin surrounding a drain has the shape of a...Ch. 6 - A truck is moving with constant acceleration a up...Ch. 6 - The pilot of an airplane executes a loop-the-loop...Ch. 6 - Review. While learning to drive, you arc in a 1...Ch. 6 - A puck of mass m1 is tied to a string and allowed...Ch. 6 - Prob. 55APCh. 6 - Prob. 56APCh. 6 - Prob. 57APCh. 6 - Review. A piece of putty is initially located at...Ch. 6 - Prob. 59APCh. 6 - Members of a skydiving club were given the...Ch. 6 - A car rounds a banked curve as discussed in...Ch. 6 - Prob. 62APCh. 6 - A model airplane of mass 0.750 kg flies with a...Ch. 6 - Prob. 64APCh. 6 - A 9.00-kg object starting from rest falls through...Ch. 6 - For t 0, an object of mass m experiences no force...Ch. 6 - A golfer tees off from a location precisely at i =...Ch. 6 - A single bead can slide with negligible friction...Ch. 6 - Prob. 69CPCh. 6 - Prob. 70CP
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