1 Introduction, Measurement, Estimating 2 Describing Motion: Kinematics In One Dimension 3 Kinematics In Two Or Three Dimensions; Vectors 4 Dynamics: Newton's Laws Of Motion 5 Using Newton's Laws: Friction, Circular Motion, Drag Forces 6 Gravitation And Newton's Synthesis 7 Work And Energy 8 Conservation Of Energy 9 Linear Momentum 10 Rotationalmotion 11 Angular Momentum; General Rotation 12 Static Equilibrium; Elasticity And Fracture 13 Fluids 14 Oscillations 15 Wave Motion 16 Sound 17 Temperature, Thermal Expansion And The Ideal Gas Law 18 Kinetic Theory Of Gases 19 Heat And The First Law Of Thermodynamics 20 Second Law Of Thermodynamics 21 Electric Charge And Electric Field 22 Gauss's Law 23 Electric Potential 24 Capacitance, Dielectrics, Electric Energy Storage 25 Electric Currents And Resistance 26 Dc Circuits 27 Magnetism 28 Sources Of Magnetic Field 29 Electromagnetic Induction And Faraday's Law 30 Inductance, Electromagnetic Oscillations, And Ac Circuits 31 Maxwell's Equation And Electromagnetic Waves 32 Light: Reflection And Refraction 33 Lenses And Optical Instruments 34 The Wave Nature Of Light: Interference 35 Diffraction And Polarization 36 Special Theory Of Relativity 37 Early Quantum Theory And Models Of The Atom 38 Quantum Mechanics 39 Quantum Mechanics Of Atoms 40 Molecules And Solids 41 Nuclear Physics And Radioactivity 42 Nuclear Energy; Effects And Uses Of Radiation 43 Elementary Particles 44 Astrophysics And Cosmology expand_more
10.1 Angular Quantities 10.2 Vector Nature Of Angular Quantities 10.3 Constant Angular Acceleration 10.4 Torque 10.5 Rotational Dynamics; Torque And Rotational Inertia 10.6 Solving Problems In Rotational Dynamics 10.7 Determining Moments Of Inertia 10.8 Rotational Kinetic Energy 10.9 Rotational Plus Translational Motion; Rolling 10.10 Why Does A Rolling Sphere Slow Down? Chapter Questions expand_more
Problem 1Q: A bicycle odometer (which counts revolutions and is calibrated to report distance traveled) is... Problem 2Q: Suppose a disk rotates at constant angular velocity. Does a point on the rim have radial and/or... Problem 3Q: Could a nonrigid object be described by a single value of the angular velocity ? Explain. Problem 4Q: Can a small force ever exert a greater torque than a larger force? Explain. Problem 5Q: Why is it more difficult to do a sit-up with your hands behind your head than when your arms are... Problem 6Q: Mammals that depend on being able to run fast have slender lower legs with flesh and muscle... Problem 7Q: If the net force on a system is zero, is the net torque also zero? If the net torque on a system is... Problem 8Q: Two inclines have the same height but make different angles with the horizontal. The same steel ball... Problem 9Q: Two spheres look identical and have the same mass. However, one is hollow and the other is solid.... Problem 10Q: Two solid spheres simultaneously start rolling (from rest) down an incline. One sphere has twice the... Problem 11Q: Why do tightrope walkers (Fig. 1043) carry a long, narrow beam? Problem 12Q: A sphere and a cylinder have the same radius and the same mass. They start from rest at the top of... Problem 13Q: The moment of inertia of this textbook would be the least about which symmetry axis through its... Problem 14Q: The moment of inertia of a rotating solid disk about an axis through its CM is 12MR2 (Fig. 1020c).... Problem 15Q Problem 1P: (I) Express the following angles in radians: (a) 45.0, (b) 60.0, (c) 90.0, (d) 360.0, and (e) 445.... Problem 2P Problem 3P Problem 4P: (I) The blades in a blender rotate at a rate of 6500 rpm. When the motor is turned off during... Problem 5P: (II) (a) A grinding wheel 0.35 m in diameter rotates at 2500 rpm. Calculate its angular velocity in... Problem 6P: (II) A bicycle with tires 68 cm in diameter travels 7.2 km. How many revolutions do the wheels make? Problem 7P: (II) Calculate the angular velocity of (a) the second hand, (b) the minute hand, and (c) the hour... Problem 8P: (II) A rotating merry-go-round makes one complete revolution in 4.0 s (Fig. 1045). (a) What is the... Problem 9P: (II) What is the linear speed of a point (a) on the equator, (b) on the Arctic Circle (latitude 66.5... Problem 10P: (II) Calculate the angular velocity of the Earth (a) in its orbit around the Sun, and (b) about its... Problem 11P Problem 12P: (II) A 64-cm-diameter wheel accelerates uniformly about its center from 130 rpm to 280 rpm in 4.0 s.... Problem 13P: (II) In traveling to the Moon, astronauts aboard the Apollo spacecraft put themselves into a slow... Problem 14P: (II) A turntable of radius R1 is turned by a circular rubber roller of radius R2 in contact with it... Problem 15P: (II) The axle of a wheel is mounted on supports that rest on a rotating turntable as shown in Fig.... Problem 16P: (I) An automobile engine slows down from 3500 rpm to 1200 rpm in 2.5 s. Calculate (a) its angular... Problem 17P: (I) A centrifuge accelerates uniformly front rest to 15,000 rpm in 220 s. Through how many... Problem 18P: (I) Pilots can be tested for the stresses of flying high-speed jets in a whirling human centrifuge,... Problem 19P: (II) A cooling fan is turned off when it is running at 850 rev/min. It turns 1350 revolutions before... Problem 20P: (II) Using calculus, derive the angular kinematic equations 109a and 109b for constant angular... Problem 21P: (II) A small rubber wheel is used to drive a large pottery wheel. The two wheels are mounted so that... Problem 22P: (II) The angle through which a rotating wheel has turned in time t is given by =8.5t15.0t2+1.6t4,... Problem 23P: (II) The angular acceleration of a wheel, as a function of time, is = 5.0t2 8.5t, where is in... Problem 24P: (I) A 62-kg person riding a bike puts all her weight on each pedal when climbing a hill. The pedals... Problem 25P: (I) Calculate the net torque about the axle of the wheel shown in Fig. 1047. Assume that a friction... Problem 26P: (II) A person exerts a horizontal force of 32 N on the end of a door 96 cm wide. What is the... Problem 27P: (II) Two blocks, each of mass m, are attached to the ends of a massless rod which pivots as shown in... Problem 28P: (II) A wheel of diameter 27.0 cm is constrained to rotate in the xy plane, about the z axis, which... Problem 29P: (II) The bolts on the cylinder head of an engine require tightening to a torque of 75 m N. If a... Problem 30P: (II) Determine the net torque on the 2.0-m-long uniform beam shown in Fig. 1050. Calculate about (a)... Problem 31P: (I) Determine the moment of inertia of a 10.8-kg sphere of radius 0.648 m when the axis of rotation... Problem 32P: (I) Estimate the moment of inertia of a bicycle wheel 67 cm in diameter. The rim and tire have a... Problem 33P: (II) A potter is shaping a bowl on a potters wheel rotating at constant angular speed (Fig. 1051).... Problem 34P: (II) An oxygen molecule consists of two oxygen atoms whose total mass is 5.3 1026 kg and whose... Problem 35P: (II) A softball player swings a bat, accelerating it from rest to 2.7 rev/s in a time of 0.20 s.... Problem 36P: (II) A grinding wheel is a uniform cylinder with a radius of 8.50 cm and a mass of 0.380 kg.... Problem 37P: (II) A small 650-g ball on the end of a thin, light rod is rotated in a horizontal circle of radius... Problem 38P: (II) The forearm in Fig. 1052 accelerates a 3.6-kg ball at 7.0 m/s2 by means of the triceps muscle,... Problem 39P: (II) Assume that a 1.00-kg ball is thrown solely by the action of the forearm, which rotates about... Problem 40P: (II) Calculate the moment of inertia of the array of point objects shown in Fig. 1053 about (a) the... Problem 41P: (II) A merry-go-round accelerates from rest to 0.68 rad/s in 24 s. Assuming the merry-go-round is a... Problem 42P: (II) A 0.72-m-diameter solid sphere can be rotated about an axis through its center by a torque of... Problem 43P: (II) Suppose the force FT in the cord hanging from the pulley of Example 109, Fig. 1021, is given by... Problem 44P: (II) A dad pushes tangentially on a small hand-driven merry-go-round and is able to accelerate it... Problem 45P Problem 46P: (II) Two blocks are connected by a light string passing over a pulley of radius 0.15 m and moment of... Problem 47P: (II) A helicopter rotor blade can be considered a long thin rod, as shown in big. 1055. (a) If each... Problem 48P: (II) A centrifuge rotor rotating at 10,300 rpm is shut off and is eventually brought uniformly to... Problem 49P: (II) When discussing moments of inertia, especially for unusual or irregularly shaped objects, it is... Problem 50P Problem 51P: (III) An Atwoods machine consists of two masses, mA and mB, which are connected by a massless... Problem 52P: (III) A string passing over a pulley has a 3.80-kg mass hanging from one end and a 3.15-kg mass... Problem 53P: (III) A hammer thrower accelerates the hammer (mass = 7.30 kg) from rest within four full turns... Problem 54P: (III) A thin rod of length l stands vertically on a table. The rod begins to fall, but its lower end... Problem 55P: (I) Use the parallel-axis theorem to show that the moment of inertia of a thin rod about an axis... Problem 56P: (II) Determine the moment of inertia of a 19-kg door that is 2.5 m high and 1.0 m wide and is hinged... Problem 57P: (II) Two uniform solid spheres of mass M and radius r0 are connected by a thin (massless) rod of... Problem 58P: (II) A ball of mass M and radius r1 on the end of a thin massless rod is rotated in a horizontal... Problem 59P: (II) A thin 7.0-kg wheel of radius 32 cm is weighted to one side by a 1.50-kg weight, small in size,... Problem 60P: (III) Derive the formula for the moment of inertia of a uniform thin rod of length l about an axis... Problem 61P: (III) (a) Derive the formula given in Fig. 1020h for the moment of inertia of a uniform, flat,... Problem 62P: (I) An automobile engine develops a torque of 255m N at 3750 rpm. What is the horsepower of the... Problem 63P: (I) A centrifuge rotor has a moment of inertia of 4.25 102 kg m2. How much energy is required to... Problem 64P: (II) A rotating uniform cylindrical platform of mass 220kg and radius 5.5 m slows down from 3.8... Problem 65P: (II) A merry-go-round has a mass of 1640 kg and a radius of 7.50 m. How much net work is required to... Problem 66P: (II) A Uniform thin rod of length l and mass M is suspended freely from one end. It is pulled to the... Problem 67P: (II) Two masses, mA = 35.0 kg and mB = 38.0 kg, are connected by a rope that hangs over a pulley (as... Problem 68P: (III) A 4.00-kg mass and a 3.00-kg mass are attached to opposite ends of a thin 42.0-cm-long... Problem 69P: (III) A 2.30-m-long pole is balanced vertically on its tip. It starts to fall and its lower end does... Problem 70P: (I) Calculate the translational speed of a cylinder when it reaches the foot of an incline 7.20 m... Problem 71P: (I) A bowling ball of mass 7.3kg and radius 9.0 cm rolls without slipping down a lane at 3.7 m/s.... Problem 72P: (I) Estimate the kinetic energy of the Earth with respect to the Sun as the sum of two terms, (a)... Problem 73P: (II) A sphere of radius r0 = 24.5 cm and mass m = 1.20 kg starts from rest and rolls without... Problem 74P: (II) A narrow but solid spool of thread has radius R and mass M. If you pull up on the thread so... Problem 75P: (II) A ball of radius r0 rolls on the inside of a track of radius R0 (see Fig. 1061). If the ball... Problem 76P: (II) A solid rubber ball rests on the floor of a railroad car when the car begins moving with... Problem 77P: (II) A thin, hollow 0.545-kg section of pipe of radius 10.0 cm starts rolling (from rest) down a... Problem 78P: (II) In Example 1020, (a) how far has the ball moved down the lane when it starts rolling without... Problem 79P: (III) The 1100-kg mass of a car includes four tires, each of mass (including wheels) 35 kg and... Problem 80P: (III) A wheel with rotational inertia I=12MR2 about its central axle is set spinning with initial... Problem 81P: (III) A small sphere of radius r0 = 1.5 cm rolls without slipping on the track shown in Fig. 1061... Problem 82P: (I) A rolling hall slows down because the normal force does not pass exactly through the CM of the... Problem 83GP: A large spool of rope rolls on the ground with the end of the rope lying on the top edge of the... Problem 84GP: On a 12.0-cm-diameter audio compact disc (CD), digital bits of information are encoded sequentially... Problem 85GP: (a) A yo-yo is made of two solid cylindrical disks, each of mass 0.050 kg and diameter 0.075 m,... Problem 86GP: A cyclist accelerates from rest at a rate of l.00 m/s2. How fast will a point at the top of the rim... Problem 87GP: Suppose David puts a 0.50-kg rock into a sling of length 1.5 m and begins whirling the rock in a... Problem 88GP: A 1.4-kg grindstone in the shape of a uniform cylinder of radius 0.20 m acquires a rotational rate... Problem 89GP: Bicycle gears: (a) How is the angular velocity R of the rear wheel of a bicycle related to the... Problem 90GP: Figure 1065 illustrates an H2O molecule. The O H bond length is 0.96 nm and the H O H bonds make... Problem 91GP: One possibility for a low-pollution automobile is for it to use energy stored in a heavy rotating... Problem 92GP: A hollow cylinder (hoop) is rolling on a horizontal surface at speed = 3.3 m/s when it reaches a 15... Problem 93GP Problem 94GP: A marble of mass m and radius r rolls along the looped rough track of Fig. 1067. What is the minimum... Problem 95GP: The density (mass per unit length) of a thin rod of length l increases uniformly from 0 at one end... Problem 96GP: If a billiard ball is hit in just the right way by a cue stick, the ball will roll without slipping... Problem 97GP: If the coefficient of static friction between tires and pavement is 0.65, calculate the minimum... Problem 98GP: A cord connected at one end to a block which can slide on an inclined plane has its other end... Problem 99GP: The radius of the roll of paper shown in Fig. 1070 is 7.6 cm and its moment of inertia is I = 3.3 ... Problem 100GP: A solid uniform disk of mass 21.0 kg and radius 85.0 cm is at rest flat on a frictionless surface.... Problem 101GP: When bicycle and motorcycle riders pop a wheelie, a large acceleration causes the bikes front wheel... Problem 102GP: A crucial part of a piece of machinery starts as a flat uniform cylindrical disk of radius R0 and... Problem 103GP: A thin uniform stick of mass M and length l is positioned vertically, with its tip on a frictionless... Problem 104GP: (a) For the yo-yo-like cylinder of Example 1019, we saw that the downward acceleration of its CM was... Problem 105GP: (II) Determine the torque produced about the support A of the rigid structure, shown in Fig. 1075,... Problem 106GP: (II) Use the expression that was derived in Problem 51 for the acceleration of masses on an Atwoods... format_list_bulleted