COLLEGE PHYSICS13th EditionOpenStax Publisher: OpenStaxISBN: 2810014673880
COLLEGE PHYSICS
Solutions for COLLEGE PHYSICS
Problem 1CQ:
What can you say about the velocity of a moving body that in dynamic equilibrium? Draw a sketch of...Problem 3CQ:
What three factors affect the torque created by a force relative to a specific pivot point?Problem 4CQ:
A wrecking ball is being used to knock down a building. One tall unsupported concrete wall remains...Problem 5CQ:
Mechanics put a length of Pipe over the handle of a wrench to remove when trying to remove a very...Problem 6CQ:
A round pencil lying on its side as in Figure 9.13 is in neutral equilibrium relative to...Problem 8CQ:
When visiting some countries, you may see a person balancing a load on the head. Explain why the...Problem 9CQ:
Scissors are like a double-lever "Stem, Which of the Simple machines in Figure 9.23 and Figure 9.24...Problem 10CQ:
Suppose you pull a nail at a constant rate using a mall puller as shown in Figure 9.23. Is the nail...Problem 11CQ:
Why are the forces exerted on the outside world by the limbs of our bodies usually much smaller than...Problem 12CQ:
Explain why the forces in our joints are several times larger than the forces we exert on the...Problem 13CQ:
Why are the forces exerted on the outside world by the limbs of our bodies usually much smaller than...Problem 14CQ:
Explain why the forces in our joints are several times larger than the forces we on the outside with...Problem 15CQ:
Certain of dinosaurs were bipedal (walked on two legs). What at is a good reason that these...Problem 16CQ:
Swimmers and athletes during competition need to go through certain postures at the beginning of the...Problem 17CQ:
If the maximum force the biceps muscle can exert is 1000 N, can we pick up an object that weighs...Problem 18CQ:
Suppose the biceps muscle was attached through tendons to the upper arm dose to the elbow and the...Problem 19CQ:
Explain one of the reasons why pregnant women often suffer from back strain late in their pregnancy.Problem 1PE:
(a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of...Problem 2PE:
When tightening a bolt, you push perpendicularly on a wrench with a force of 165 N at a distance of...Problem 3PE:
Two children push on opposite sides of a door during play. Both push horizontally and perpendicular...Problem 4PE:
Use the second condition for equilibrium (net =0 ) to calculate Fpin Example 9.1, employing any data...Problem 5PE:
Repeat the seesaw problem in Example 9.1 with the center of mass of the seesaw 0.160 m to the left...Problem 6PE:
Suppose a horse leans against a wall as in Figure 9.31. Calculate the force exerted on the wall...Problem 7PE:
Two children of mass 20.0 kg and 30.0 kg sit balanced on a seesaw with the pivot point located at...Problem 8PE:
(a) Calculate the magnitude and direction of the force on each foot of the horse in Figure 9.31 (two...Problem 9PE:
A person carries a plank of wood 2.00 m long with one hand pushing down on it at one end with a...Problem 10PE:
A 17.0-m-high and 11.0-m-long wall under construction and its bracing are shown in Figure 9.32. The...Problem 11PE:
(a) What force must be exerted by the wind to support a 2.50-kg chicken in the position shown in...Problem 12PE:
Suppose the weight of the drawbridge in Figure 9.34 is supported entirely by its hinges and the...Problem 13PE:
Suppose a 900-kg car is on the bridge in Figure 9.34 with its center of mass halfway between the...Problem 14PE:
A sandwich board advertising sign is constructed as shown in Figure 9.35. The sign's mass is 8.00...Problem 15PE:
(a) What minimum coefficient of friction is needed between the legs and the ground to keep the sign...Problem 16PE:
A gymnast is attempting to perform splits. From the information given in Figure 9.36, calculate the...Problem 17PE:
To get up on the roof, a person (mass 70.0 kg) places a 6.00-m aluminum ladder (mass 10.0 kg)...Problem 18PE:
In Figure 9.21, the cg of the pole held by the pole vaulter is 2.00 m from the left hand, and the...Problem 19PE:
What is the mechanical advantage of a nail puller similar to the one shown in Figure 9.23 —where you...Problem 20PE:
Suppose you needed to raise a 250-kg mower a distance of 6.0 cm above the ground to change a tire....Problem 21PE:
a) What is the mechanical advantage of a wheelbarrow, such as the one in Figure 9.24, if the center...Problem 22PE:
A typical car has an axle with 1.10 cm radius driving a tire with a radius of 27.5 cm . What is its...Problem 23PE:
What force does the nail puller in Exercise 9.19 exert on the supporting surface? The nail puller...Problem 24PE:
If you used an ideal pulley of the type shown in Figure 9.26(a) to support a car engine of mass 115...Problem 25PE:
Repeat Exercise 9.24 for the pulley shown in Figure 9.26(c), assuming you pull straight up on the...Problem 26PE:
Verity that the force in the elbow joint in Example 9.4 is 407 N, as stated in the text.Problem 27PE:
Two muscles in the back of the leg pull on the Achilles tendon as shown in Figure 9.37. What total...Problem 28PE:
The upper leg muscle (quadriceps) exerts a force of 1250 N, which is carried by a tendon over the...Problem 29PE:
A device for exercising the upper leg muscle is shown in Figure 9.39, together with a schematic...Problem 30PE:
A person working at a drafting board may hold her head as shown in Figure 9.40, requiring muscle...Problem 31PE:
We analyzed the biceps muscle example with the angle between forearm and upper arm set at 90°. Using...Problem 32PE:
Even when the head is held erect, as in Figure 9.41, its center of mass is not directly over the...Problem 33PE:
A 75-kg man stands on his toes by exerting an upward force through the Achilles tendon, as in Figure...Problem 34PE:
A father lifts his child as shown in Figure 9.43. What force should the upper leg muscle exert to...Problem 35PE:
Unlike most of the other muscles in our bodies, the masseter muscle in the jaw, as illustrated in...Problem 36PE:
Integrated Concepts Suppose we replace the 4.0-kg book in Exercise 9.31 of the biceps muscle with an...Problem 37PE:
(a) What force should the woman in Figure 9.45 exert on the floor with each hand to do a push-up?...Problem 38PE:
You have just planted a sturdy 2-m-tall palm tree in your front lawn for your mother's birthday....Browse All Chapters of This Textbook
Chapter 1 - Introduction: The Nature Of Science And PhysicsChapter 2 - KinematicsChapter 3 - Two-dimensional KinematicsChapter 4 - Dynamics: Force And Newton's Laws Of MotionChapter 5 - Further Applications Of Newton's Laws: Friction, Drag, And ElasticityChapter 6 - Uniform Circular Motion And GravitationChapter 7 - Work, Energy, And Energy ResourcesChapter 8 - Linear Momentum And CollisionsChapter 9 - Statics And TorqueChapter 10 - Rotational Motion And Angular Momentum
Chapter 11 - Fluid StaticsChapter 12 - Fluid Dynamics And Its Biological And Medical ApplicationsChapter 13 - Temperature, Kinetic Theory, And The Gas LawsChapter 14 - Heat And Heat Transfer MethodsChapter 15 - ThermodynamicsChapter 16 - Oscillatory Motion And WavesChapter 17 - Physics Of HearingChapter 18 - Electric Charge And Electric FieldChapter 19 - Electric Potential And Electric FieldChapter 20 - Electric Current, Resistance, And Ohm's LawChapter 21 - Circuits And Dc InstrumentsChapter 22 - MagnetismChapter 23 - Electromagnetic Induction, Ac Circuits, And Electrical TechnologiesChapter 24 - Electromagnetic WavesChapter 25 - Geometric OpticsChapter 26 - Vision And Optical InstrumentsChapter 27 - Wave OpticsChapter 28 - Special RelativityChapter 29 - Introduction To Quantum PhysicsChapter 30 - Atomic PhysicsChapter 31 - Radioactivity And Nuclear PhysicsChapter 32 - Medical Applications Of Nuclear PhysicsChapter 33 - Particle PhysicsChapter 34 - Frontiers Of Physics
Sample Solutions for this Textbook
We offer sample solutions for COLLEGE PHYSICS homework problems. See examples below:
Chapter 1, Problem 1CQChapter 2, Problem 1CQChapter 3, Problem 1CQChapter 4, Problem 1CQChapter 5, Problem 1CQChapter 6, Problem 1CQChapter 7, Problem 1CQChapter 8, Problem 1CQChapter 9, Problem 1CQ
Chapter 10, Problem 1CQChapter 11, Problem 1CQChapter 12, Problem 1CQChapter 13, Problem 1CQChapter 14, Problem 1CQChapter 15, Problem 1CQChapter 16, Problem 1CQChapter 17, Problem 1CQChapter 18, Problem 1CQChapter 19, Problem 1CQChapter 20, Problem 1CQChapter 21, Problem 1CQChapter 22, Problem 1CQChapter 23, Problem 1CQChapter 24, Problem 1CQChapter 25, Problem 1CQChapter 26, Problem 1CQChapter 27, Problem 1CQChapter 28, Problem 1CQChapter 29, Problem 1CQChapter 30, Problem 1CQChapter 31, Problem 1CQChapter 32, Problem 1CQChapter 33, Problem 1CQChapter 34, Problem 1CQ
More Editions of This Book
Corresponding editions of this textbook are also available below:
COLLEGE PHYSICS (OER)
1st Edition
ISBN: 9781947172012
COLLEGE PHYSICS
2nd Edition
ISBN: 9781711470832
College Physics for AP Courses
1st Edition
ISBN: 9781630181871
College Physics
1st Edition
ISBN: 9781938168048
College Physics For Ap® Courses
16th Edition
ISBN: 9781938168932
College Physics
1st Edition
ISBN: 9781938168000
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