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 Rotational Motion 11 Augular 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 And Polarixation 35 Diffraction 36 The 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
4.1 Force 4.2 Newton’s First Law Of Motion 4.3 Mass 4.4 Newton’s Second Law Of Motion 4.5 Newton’s Third Law Of Motion 4.6 Weight—the Force Of Gravity; The Normal Force 4.7 Solving Problems With Newton’s Laws: Free-body Diagrams 4.8 Problem Solving—a General Approach Chapter Questions expand_more
Problem 1Q: Why does a child in a wagon seem to fall backward when you give the wagon a sharp pull forward? Problem 2Q Problem 3Q: If an object is moving, is it possible for the net force acting on it to be zero? Problem 4Q: If the acceleration of an object is zero, are no forces acting on it? Explain. Problem 5Q: Only one force acts on an object. Can the object have zero acceleration? Can it have zero velocity?... Problem 6Q: When a golf ball is dropped to the pavement, it bounces back up. (a) Is a force needed to make it... Problem 7Q: If you walk along a log floating on a lake, why does the log move in the opposite direction? Problem 8Q: (a) Why do you push down harder on the pedals of a bicycle when first starting out than when moving... Problem 9Q Problem 10Q: The force of gravity on a 2-kg rock is twice as great as that on a 1-kg rock. Why then doesnt the... Problem 11Q Problem 12Q: When an object falls freely under the influence of gravity there is a net force mg exerted on it by... Problem 13Q: Compare the effort (or force) needed to lift a 10-kg object when you are on the Moon with the force... Problem 14Q Problem 15Q: When you stand still on the ground, how large a force does the ground exert on you? Why doesnt this... Problem 16Q: Whiplash sometimes results from an automobile accident when the victims car is struck violently from... Problem 17Q: Mary exerts an upward force of 40N to hold a bag of groceries. Describe the reaction force (Newtons... Problem 18Q: A father and his young daughter are ice skating. They face each other at rest and push each other,... Problem 19Q Problem 20Q: Which of the following objects weighs about 1 N: (a) an apple, (b) a mosquito, (c) this book, (d)... Problem 21Q: Why might your foot hurt if you kick a heavy desk or a wall? Problem 22Q: When you are running and want to slop quickly, you must decelerate quickly. (a) What is the origin... Problem 23Q: Suppose that you are standing on a cardboard carton that just barely supports you. What would happen... Problem 1MCQ Problem 2MCQ Problem 3MCQ Problem 4MCQ Problem 5MCQ Problem 6MCQ Problem 7MCQ Problem 8MCQ Problem 9MCQ Problem 10MCQ Problem 11MCQ Problem 12MCQ Problem 13MCQ Problem 1P Problem 2P Problem 3P Problem 4P Problem 5P Problem 6P Problem 7P: (II) Superman must stop a 120-km/h train in 150 m to keep it from hitting a stalled car on the... Problem 8P Problem 9P Problem 10P Problem 11P: (II) A fisherman yanks a fish vertically out of the water with an acceleration of 2.5 m/s2 using... Problem 12P Problem 13P: (II) A 20.0-kg box rests on a table. (a) What is the weight of the box and the normal force acting... Problem 14P: (II) A particular race car can cover a quarter-mile track (402m) in 6.40s starting from a... Problem 15P Problem 16P Problem 17P Problem 18P: (II) Can cars stop on a dime? Calculate the acceleration of a 1400-kg car if it can stop from 35km/h... Problem 19P Problem 20P: (II) Using focused laser light, optical tweezers can apply a force of about 10 pN to a 1.0-m... Problem 21P Problem 22P Problem 23P Problem 24P: (II) An exceptional standing jump would raise a person 0.80 m off the ground. To do this, what force... Problem 25P: (II) High-speed elevators function under two limitations: (1) the maximum magnitude of vertical... Problem 26P Problem 27P Problem 28P Problem 29P: (I) Draw the free-body diagram for a basketball player (a) just before leaving the ground on a jump,... Problem 30P: (I) A 650-N force acts in a northwesterly direction. A second 650-N force must be exerted in what... Problem 31P: (I) Sketch the tree body diagram of a baseball (a) at the moment it is hit by the bat, and again (b)... Problem 32P Problem 33P Problem 34P Problem 35P: (II) The cords accelerating the buckets in Problem 33b, Fig. 437, each has a weight of 2.0 N.... Problem 36P Problem 37P: (II) A train locomotive is pulling two cars of the same mass behind it, Fig. 4-39. Determine the... Problem 38P Problem 39P: (II) A skateboarder, with an initial speed of 2.0m/s, rolls virtually friction free down a straight... Problem 40P: (II) At the instant a race began, a 65-kg sprinter exerted a force of 720 N on the starting block at... Problem 41P: (II) A mass m is at rest on a horizontal frictionless surface at t = 0. Then a constant force F0... Problem 42P Problem 43P: (II) A 27-kg chandelier hangs from a ceiling on a vertical 4.0-m-long wire, (a) What horizontal... Problem 44P: (II) Redo Example 413 but (a) set up the equations so that the direction of the acceleration a of... Problem 45P: (II) The block shown in Fig. 4-43 has mass m = 7.0 kg and lies on a fixed smooth frictionless plane... Problem 46P Problem 47P Problem 48P Problem 49P Problem 50P: (II) As shown in Fig. 4-41, five balls (masses 2.00, 2.05, 2.10, 2.15, 2.20kg) hang from a crossbar.... Problem 51P: A super high-speed 14-car Italian train has a mass or 640 metric tons (640,000 kg). It can exert a... Problem 52P Problem 53P Problem 54P: (II) A child on a sled reaches the bottom of a hill with a velocity of 10.0 m/s and travels 25.0 m... Problem 55P Problem 56P Problem 57P: (III) Determine a formula for the acceleration of the system shown in Fig. 445 (see Problem 51) if... Problem 58P: (III) Suppose the pulley in Fig. 446 is suspended by cord C. Determine the tension in this cord... Problem 59P Problem 60P: (II) Three blocks on a frictionless horizontal surface are in contact with each other as shown in... Problem 61P Problem 62P: (III) A small block of mass m rests on the sloping side of a triangular block of mass M which itself... Problem 63P: (III) The double Atwood machine shown in Fig. 4-48 has frictionless, massless pulleys and cords.... Problem 64P: (III) Determine a formula for the magnitude of the force F exerted on the large block (mc) in Fig.... Problem 65P Problem 66P Problem 67GP Problem 68GP Problem 69GP Problem 70GP Problem 71GP Problem 72GP Problem 73GP Problem 74GP Problem 75GP Problem 76GP: A block (mass mA) lying on a fixed frictionless inclined plane is connected to a mass mB by a cord... Problem 77GP Problem 78GP Problem 79GP: (a) What minimum force F is needed to lift the piano (mass M) using the pulley apparatus shown in... Problem 80GP Problem 81GP: A jet aircraft is accelerating at 3.8m/s2 as it climbs at an angle of 18 above the horizontal (Fig.... Problem 82GP Problem 83GP Problem 84GP: A fisherman in a boat is using a 10-lb test fishing line. This means that the line can exert a force... Problem 85GP Problem 86GP Problem 87GP Problem 88GP Problem 89GP Problem 90GP Problem 91GP Problem 92GP Problem 93GP Problem 94GP Problem 95GP format_list_bulleted