6th Edition

ISBN: 8220101459787

Author: Hewitt

Publisher: PEARSON

Concept explainers

The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.

Gauge Pressure

Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem …

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Textbook Question

Chapter 5, Problem 82E

A half-filled bucket of water is on a spring scale. Does the reading of the scale increase or remain the same when a fish is placed in the bucket? (Is your answer different if the bucket is initially filled to the brim?)

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Chapter 5, Problem 81E

Chapter 5, Problem 83E

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A block of mass m₁ = 10.0 kg is connected to a block of mass m₂ 34.0 kg by a massless string that passes over a light, frictionless pulley. The 34.0-kg block is connected to a spring that has negligible mass and a force constant of k = 200 N/m as shown in the figure below. The spring is unstretched when the system is as shown in the figure, and the incline is frictionless. The 10.0-kg block is pulled a distance h = 22.0 cm down the incline of angle = 40.0° and released from rest. Find the speed of each block when the spring is again unstretched. Vm1 × 1.32 Vm2 = 1.32 × m/s m/s

A block of mass m₁ = 10.0 kg is connected to a block of mass m₂ = 34.0 kg by a massless string that passes over a light, frictionless pulley. The 34.0-kg block is connected to a spring that has negligible mass and a force constant of k = 200 N/m as shown in the figure below. The spring is unstretched when the system is as shown in the figure, and the incline is frictionless. The 10.0-kg block is pulled a distance h = 22.0 cm down the incline of angle 0 = 40.0° and released from rest. Find the speed of each block when the spring is again unstretched. m/s Vm1 Vm2 m/s mi m2 k i

Truck suspensions often have "helper springs" that engage at high loads. One such arrangement is a leaf spring with a helper coil spring mounted on the axle, as in the figure below. The helper spring engages when the main leaf spring is compressed by distance yo, and then helps to support any additional load. Consider a leaf spring constant of 5.45 × 105 N/m, helper spring constant of 3.60 × 105 N/m, and y = 0.500 m. Truck body Dyo Axle (a) What is the compression of the leaf spring for a load of 4.90 × 105 N? m (b) How much work is done compressing the springs? ]

Chapter 5 Solutions

EBK CONCEPTUAL PHYSICAL SCIENCE

Ch. 5 - Give two examples of a fluid.Ch. 5 - What happens to the volume of a loaf of bread that...Ch. 5 - Distinguish between mass density and weight...Ch. 5 - Distinguish between force and pressure. Compare...Ch. 5 - How does the pressure exerted by a liquid change...Ch. 5 - Ignoring the pressure of the atmosphere, if you...Ch. 5 - How does water pressure 1 m below the surface of a...Ch. 5 - If you punch a hole in the side of a container...Ch. 5 - Why does buoyant force act upward on an object...Ch. 5 - How does the volume of a completely submerged...

Ch. 5 - State Archimedes principle.Ch. 5 - What is the difference between being immersed and...Ch. 5 - How does the buoyant force on a fully submerged...Ch. 5 - What is the mass in kilograms of 1 L of water?...Ch. 5 - If a 1-L container is immersed halfway in water,...Ch. 5 - Does the buoyant force on a floating object depend...Ch. 5 - What weight of water is displaced by a 100-ton...Ch. 5 - By how much does the density of air increase when...Ch. 5 - What happens to the air pressure inside a balloon...Ch. 5 - What is the approximate mass in kilograms of a...Ch. 5 - How does the downward pressure of the 76-cm column...Ch. 5 - How does the weight of mercury in a barometer tube...Ch. 5 - Why would a water barometer have to be 13.6 times...Ch. 5 - When you drink liquid through a straw, is it more...Ch. 5 - What happens to the pressure in all parts of a...Ch. 5 - Docs Pascals principle provide a way to get more...Ch. 5 - A balloon that weighs 1 N is suspended in air,...Ch. 5 - Prob. 28RCQ Ch. 5 - Does Bernoullis principle refer to internal...Ch. 5 - What do peaked roofs, convertible tops, and...Ch. 5 - A 1-m-tall barrel is filled with water (with a...Ch. 5 - Show that the water pressure at the bottom of the...Ch. 5 - The depth of water behind the Hoover Dam is 220 m....Ch. 5 - The top floor of a building is 20 m above the...Ch. 5 - Suppose that you balance a 2-kg ball on the tip of...Ch. 5 - A 12-kg piece of metal displaces 2 L of water when...Ch. 5 - Prob. 52TAS Ch. 5 - A rectangular barge, 5 m long and 2 m wide, floats...Ch. 5 - Suppose that the barge in the preceding problem...Ch. 5 - A merchant in Kathmandu sells you a 1-kg solid...Ch. 5 - A vacationer floats lazily in the ocean with 90%...Ch. 5 - Your friend of mass 100 kg can just barely float...Ch. 5 - In the hydraulic pistons, shown, the smaller...Ch. 5 - On a perfect fall day, you are hovering at rest at...Ch. 5 - What change in pressure occurs in a party balloon...Ch. 5 - A mountain climber of mass 80 kg ponders the idea...Ch. 5 - Prob. 62TAS Ch. 5 - The wings of a certain airplane have a total...Ch. 5 - Rank the following from most to least: (a) The...Ch. 5 - Rank, from most to least, the percentage of volume...Ch. 5 - Think about what happens to the volume of an...Ch. 5 - Rank, from greatest to least, the volumes of air...Ch. 5 - Rank, from greatest to least, the buoyant forces...Ch. 5 - Rank, from greatest to least, the amounts of lift...Ch. 5 - When you squeeze a party balloon between your...Ch. 5 - A can of diet soft drink floats in water, whereas...Ch. 5 - The density of a rock doesn't change when it is...Ch. 5 - You know that a sharp knife cuts better than a...Ch. 5 - Which is more likely to hurtbeing stepped on by a...Ch. 5 - Stand on a bathroom scale and read your weight....Ch. 5 - Why are people who are confined to bed less likely...Ch. 5 - Prob. 77E Ch. 5 - What common liquid covers more than two-thirds of...Ch. 5 - How much force is needed to push a nearly...Ch. 5 - Why is it inaccurate to say that heavy objects...Ch. 5 - Why does an inflated beach ball pushed beneath the...Ch. 5 - A half-filled bucket of water is on a spring...Ch. 5 - When a wooden block is placed in a beaker that is...Ch. 5 - Why will a block of iron float in mercury but sink...Ch. 5 - Why does a volleyball that is held beneath the...Ch. 5 - The mountains of the Himalayas are slightly less...Ch. 5 - Give a reason why canal enthusiasts in Scotland...Ch. 5 - The Falkirk Wheel in Scotland (Figure 5.17)...Ch. 5 - One gondola in the Falkirk Wheel carries a 50-ton...Ch. 5 - Both a 50-ton boat and a 100-ton boat float side...Ch. 5 - A ship sailing from the ocean into a fresh-water...Ch. 5 - In a sporting goods store, you see what appear to...Ch. 5 - Why is the pressure in an automobile's tires...Ch. 5 - How does the density of air in a deep mine compare...Ch. 5 - Prob. 95E Ch. 5 - It is said that a gas fills all the space...Ch. 5 - Why is there no atmosphere on the Moon?Ch. 5 - We can understand how pressure in water depends on...Ch. 5 - If you could somehow replace the mercury in a...Ch. 5 - Would it be slightly more difficult to draw soda...Ch. 5 - Richards pump can operate at a certain maximum...Ch. 5 - Why is it so difficult to breathe when snorkeling...Ch. 5 - Say youve had a run of bad luck, and you slip...Ch. 5 - In the hydraulic arrangement shown, the larger...Ch. 5 - Prob. 105E Ch. 5 - Your friend says that the buoyant force of the...Ch. 5 - When you replace helium in a balloon with...Ch. 5 - Prob. 108E Ch. 5 - Prob. 109E Ch. 5 - The force of the atmosphere at sea level against...Ch. 5 - Prob. 111E Ch. 5 - Prob. 112E Ch. 5 - What physics principle underlies the following...Ch. 5 - How does an airplane adjust its angle of attack so...Ch. 5 - The photo shows physics teacher Marshall...Ch. 5 - Prob. 116DQ Ch. 5 - Which teapot holds more liquid?Ch. 5 - Suppose you wish to lay a level foundation for a...Ch. 5 - If liquid pressure were the same at all depths,...Ch. 5 - Compared to an empty ship, would a ship loaded...Ch. 5 - A barge filled with scrap iron is in a canal lock....Ch. 5 - A discussion of the following question raises some...Ch. 5 - A balloon is weighted so that it is barely able to...Ch. 5 - Greta Novak is treated to remarkable flotation in...Ch. 5 - When an ice cube in a glass of water melts, does...Ch. 5 - Count the tires on a large tractor-trailer that is...Ch. 5 - Two teams of eight horses each were unable to pull...Ch. 5 - In the classroom demonstration at Lund University,...Ch. 5 - If you bring an airtight bag of potato chips...Ch. 5 - On a sensitive balance, weigh an empty, flat, thin...Ch. 5 - Invoking ideas from Chapter 2 and this chapter,...Ch. 5 - Your study partner says he doesn't believe in...Ch. 5 - Choose the BEST answer to the question or the BEST...Ch. 5 - The buoyant force that acts on a 20,000-N ship is...Ch. 5 - A floating duck displaces its own (a) volume of...Ch. 5 - A rock suspended by a weighing scale weighs 15 N...Ch. 5 - The two caissons of the Falkirk Wheel in Scotland...Ch. 5 - To what depth must an inverted drinking glass be...Ch. 5 - Atmospheric pressure is caused by the atmosphere's...Ch. 5 - A hydraulic device multiplies force by 100. This...Ch. 5 - The flight of a blimp best illustrates (a)...Ch. 5 - As water in a confined pipe speeds up, the...

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