1 Physics And Measurement 2 Motion In One Dimension 3 Vectors 4 Motion In Two Dimensions 5 The Laws Of Motion 6 Circular Motion And Other Applications Of Newton’s Laws 7 Energy Of A System 8 Conservation Of Energy 9 Linear Momentum And Collisions 10 Rotation Of A Rigid Object About A Fixed Axis 11 Angular Momentum 12 Static Equilibrium And Elasticity 13 Universal Gravitation 14 Fluid Mechanics 15 Oscillatory Motion 16 Wave Motion 17 Sound Waves 18 Superposition And Standing Waves 19 Temperature 20 The First Law Of Thermodynamics 21 The Kinetic Theory Of Gases 22 Heat Engines, Entropy, And The Second Law Of Thermodynamics 23 Electric Fields 24 Gauss’s Law 25 Electric Potential 26 Capacitance And Dielectrics 27 Current And Resistance 28 Direct-current Circuits 29 Magnetic Fields 30 Sources Of The Magnetic Field 31 Faraday’s Law 32 Inductance 33 Alternating Current Circuits 34 Electromagnetic Waves 35 The Nature Of Light And The Principles Of Ray Optics 36 Image Formation 37 Wave Optics 38 Diffraction Patterns And Polarization 39 Relativity Chapter6: Circular Motion And Other Applications Of Newton’s Laws
Chapter Questions Section: Chapter Questions
Problem 6.1QQ: You are riding on a Ferris wheel that is rotating with constant speed. The car in which you are... Problem 6.2QQ: A bead slides at constant speed along a curved wire lying on a horizontal surface as shown in Figure... Problem 6.3QQ: Consider the passenger in the car making a left turn in Figure 6.10. Which of the following is... Problem 6.4QQ: A basketball and a 2-inch-diameter steel ball, having the same mass, are dropped through air from... Problem 6.1OQ: A child is practicing for a BMX race. His speed remains constant as he goes counterclockwise around... Problem 6.2OQ: Consider a skydive r who has stepped from a helicopter and is falling through air. Before she... Problem 6.3OQ: A door in a hospital has a pneumatic closer that pulls the door shut such that the doorknob moves... Problem 6.4OQ: A pendulum consists of a small object called a bob hanging from a light cord of fixed length, with... Problem 6.5OQ: As a raindrop falls through the atmosphere, its speed initially changes as it falls toward the... Problem 6.6OQ: An office door is given a sharp push and swings open against a pneumatic device that slows the door... Problem 6.7OQ: Before takeoff on an airplane, an inquisitive student on the plane dangles an iPod by its earphone... Problem 6.1CQ: What forces cause (a) an automobile, (b) a propeller-driven airplane, and (c) a rowboat to move? Problem 6.2CQ: A falling skydiver reaches terminal speed with her parachute closed. After the parachute is opened,... Problem 6.3CQ: An object executes circular motion with constant speed whenever a net force of constant magnitude... Problem 6.4CQ: Describe the path of a moving body in the event that (a) its acceleration is constant in magnitude... Problem 6.5CQ: The observer in the accelerating elevator of Example 5.8 would claim that the weight of the fish is... Problem 6.6CQ Problem 6.7CQ: It has been suggested dial rotating cylinders about 20 km in length and 8 km in diameter be placed... Problem 6.8CQ: Consider a small raindrop and a large raindrop falling through the atmosphere. (a) Compare their... Problem 6.9CQ: Why does a pilot lend to black out when pulling out of a steep dive? Problem 6.10CQ Problem 6.11CQ: If the current position and velocity of every particle in the Universe were known, together with the... Problem 6.1P: A light string can support a stationary hanging load of 25.0 kg before breaking. An object of mass m... Problem 6.2P: Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon.... Problem 6.3P: In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The... Problem 6.4P: A curve in a road forms part of a horizontal circle. As a car goes around it at constant speed 14.0... Problem 6.5P: In a cyclotron (one type of particle accelerator), a deuteron (of mass 2.00 u) reaches a final speed... Problem 6.6P: A car initially traveling eastward turns north by traveling in a circular path at uniform speed as... Problem 6.7P: A space station, in the form of a wheel 120 m in diameter, rotates to provide an artificial gravity... Problem 6.8P: Consider a conical pendulum (Fig. P6.8) with a bob of mass m = 80.0 kg on a string of length L =... Problem 6.9P: A coin placed 30.0 cm from the center of a rotating, horizontal turntable slips when its speed is... Problem 6.10P: Why is the following situation impossible? The object of mass m = 4.00 kg in Figure P6.6 is attached... Problem 6.11P: A crate of eggs is located in the middle of the flatbed of a pickup truck as the truck negotiates a... Problem 6.12P: A pail of water is rotated in a vertical circle of radius 10.00 m. (a) What two external forces act... Problem 6.13P: A hawk flies in a horizontal arc of radius 12.0 m at constant speed 4.00 m/s. (a) Find its... Problem 6.14P: A 40.0-kg child swings in a swing supported by two chains, each 3.00 m long. The tension in each... Problem 6.15P: A child of mass m swings in a swing supported by two chains, each of length R. If the tension in... Problem 6.16P: A roller-coaster car (Fig. P6.16) has a mass of 500 kg when fully loaded with passengers. The path... Problem 6.17P: A roller coaster at the Six Flags Great America amusement park in Gurnee, Illinois, incorporates... Problem 6.18P: One end of a cord is fixed and a small 0.500-kg object is attached to the other end, where it swings... Problem 6.19P Problem 6.20P: An object of mass m = 5.00 kg, attached to a spring scale, rests on a frictionless, horizontal... Problem 6.21P: All object of mass m = 500 kg is suspended from the ceiling of an accelerating truck as shown in... Problem 6.22P: A child lying on her back experiences 55.0 N tension in the muscles on both sides of her neck when... Problem 6.23P: A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading... Problem 6.24P: Review. A student, along with her backpack on the floor next to her, is in an elevator that is... Problem 6.25P: A small container of water is placed on a turntable inside a microwave oven, at a radius of 12.0 cm... Problem 6.26P: Review. (a) Estimate the terminal speed of a wooden sphere (density 0.830 g/cm3) tailing through... Problem 6.27P: The mass of a sports car is 1 200 kg. The shape of the body is such that the aerodynamic drag... Problem 6.28P: A skydiver of mass 80.0 kg jumps from a slow-moving aircraft and reaches a terminal speed of 50.0... Problem 6.29P: Calculate the force required to pull a copper ball of radius 2.00 cm upward through a fluid at the... Problem 6.30P: A small piece of Styrofoam packing material is dropped from a height of 2.00 m above the ground.... Problem 6.31P Problem 6.32P Problem 6.33P: Assume the resistive force acting on a speed skater is proportional to the square of the skaters... Problem 6.34P: Review. A window washer pulls a rubber squeegee down a very tall vertical window. The squeegee has... Problem 6.35P: A motorboat cuts its engine when its speed is 10.0 m/s and then coasts to rest. The equation... Problem 6.36P: You can feel a force of air drag on your hand if you stretch your arm out of the open window of a... Problem 6.37AP: A car travels clockwise at constant speed around a circular section of a horizontal road as shown in... Problem 6.38AP: The mass of a roller-coaster car, including its passengers, is 500 kg. Its speed at the bottom of... Problem 6.39AP: A string under a tension of 50.0 N is used to whirl a rock in a horizontal circle of radius 2.50 m... Problem 6.40AP: Disturbed by speeding cars outside his workplace, Nobel laureate Arthur Holly Compton designed a... Problem 6.41AP: A car of mass m passes over a hump in a road that follows the arc of a circle of radius R as shown... Problem 6.42AP: A childs toy consists of a small wedge that has an acute angle (Fig. P6.28). The sloping side of... Problem 6.43AP: A seaplane of total mass m lands on a lake with initial speed vii. The only horizontal force on it... Problem 6.44AP: An object of mass m1 = 4.00 kg is tied to an object of mass m2 = 3.00 kg with String 1 of length ( =... Problem 6.45AP: A ball of mass m = 0.275 kg swings in a vertical circular path on a string L = 0.850 in long as in... Problem 6.46AP: Why is the following situation impossible? A mischievous child goes to an amusement park with his... Problem 6.47AP: (a) A luggage carousel at an airport has the form of a section of a large cone, steadily rotating... Problem 6.48AP: In a home laundry dryer, a cylindrical tub containing wet clothes is rotated steadily about a... Problem 6.49AP Problem 6.50AP: A basin surrounding a drain has the shape of a circular cone opening upward, having everywhere an... Problem 6.51AP: A truck is moving with constant acceleration a up a hill that makes an angle with the horizontal as... Problem 6.52AP: The pilot of an airplane executes a loop-the-loop maneuver in a vertical circle. The speed of the... Problem 6.53AP: Review. While learning to drive, you arc in a 1 200-kg car moving at 20.0 m/s across a large,... Problem 6.54AP: A puck of mass m1 is tied to a string and allowed to revolve in a circle of radius R on a... Problem 6.55AP: Because the Earth rotates about its axis, a point on the equator experiences a centripetal... Problem 6.56AP: Galileo thought about whether acceleration should be defined as the rate of change of velocity over... Problem 6.57AP: Figure P6.57 shows a photo of a swing a ride at an amusement park. The structure consists of a... Problem 6.58AP: Review. A piece of putty is initially located at point A on the rim of a grinding wheel rotating at... Problem 6.59AP: An amusement park ride consists of a large vertical cylinder dial spins about its axis fast enough... Problem 6.60AP: Members of a skydiving club were given the following data to use in planning their jumps. In the... Problem 6.61AP: A car rounds a banked curve as discussed in Example 6.4 and shown in Figure 6.5. The radius of... Problem 6.62AP: In Example 6.5, we investigated the forces a child experiences on a Ferris wheel. Assume the data in... Problem 6.63AP: A model airplane of mass 0.750 kg flies with a speed of 35.0 m/s in a horizontal circle at the end... Problem 6.64AP: A student builds and calibrates an accelerometer and uses it to determine the speed of her car... Problem 6.65CP: A 9.00-kg object starting from rest falls through a viscous medium and experiences a resistive force... Problem 6.66CP: For t 0, an object of mass m experiences no force and moves in the positive x direction with a... Problem 6.67CP: A golfer tees off from a location precisely at i = 35.0 north latitude. He hits the ball due south,... Problem 6.68CP: A single bead can slide with negligible friction on a stiff wire that has been bent into a circular... Problem 6.69CP Problem 6.70CP: Because of the Earths rotation, a plumb bob does not hang exactly along a line directed to the... Problem 6.38AP: The mass of a roller-coaster car, including its passengers, is 500 kg. Its speed at the bottom of...
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A 56kg boy is riding a merry-go-round with a radius of 10m. What is the centripetal force on the boy if his velocity is 10 m/s.
Definition Definition Force on a body along the radial direction. Centripetal force is responsible for the circular motion of a body. The magnitude of centripetal force is given by F C = m v 2 r m = mass of the body in the circular motion v = tangential velocity of the body r = radius of the circular path
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