1 About Science 2 Mechanical Equilibrium 3 Newton's First Law Of Motion-interia 4 Linear Motion 5 Projectile Motion 6 Newton's Second Law Of Motion-force And Acceleration 7 Newton's Third Law Of Motion- Action And Reaction 8 Momentum 9 Energy 10 Circular Motion 11 Rotational Equilibrium 12 Rotational Motion 13 Universal Gravitation 14 Satellite Motion 15 Special Relativity-space And Time 16 Relativity-momentum, Mass, Energy, And Gravity 17 The Atomic Nature Of Matter 18 Solids 19 Liquids 20 Gases 21 Temerpature Heat, And Expansion 22 Heat Tranfer 23 Change Of Phase 24 Thermodynamics 25 Vibrations And Waves 26 Sound 27 Light 28 Color 29 Reflection And Refraction 30 Lenses 31 Diffractioon And Interference 32 Electrostatics 33 Electric Fileds And Potential 34 Electric Current 35 Electric Circuits 36 Magnetism 37 Electromagnetic Induction 38 The Atom And The Quantum 39 The Atomic Nucleus And Radioactivity 40 Nuclear Fission And Fusion expand_more
Chapter Questions expand_more
Problem 1A: Distinguish between pressure and force. Problem 2A: What is the relationship between liquid pressure and depth of a liquid? Between liquid pressure and... Problem 3A: a. By how much does the water pressure on a submarine change when the submarine dives to double its... Problem 4A: How does water pressure 1 meter below the surface of a small pond compare with water pressure 1... Problem 5A: If you immerse a tin can with a small hole in it in water so that water spurts through the hole,... Problem 6A: Why does the buoyant force act upward for an object submerged in water? Problem 7A: How does the buoyant force that acts on a fish compare with the weight of the fish? Problem 8A: Why does the buoyant force on submerged objects not act sideways? Problem 9A: How does the volume of a completely submerged object compare with the volume of water displaced? Problem 10A: When an object is said to be immersed in water, does this mean it is completely submerged? Does it... Problem 11A: What is the mass of 1 liter of water in kilograms? What is its weight in newtons? Problem 12A: a. Does the buoyant force on a submerged object depend on the weight of the object itself or on the... Problem 13A: When the buoyant force on a submerged object is equal to the weight of the object, how do the... Problem 14A: When the buoyant force on a submerged object is more than the weight of the object, how do the... Problem 15A: When the buoyant force on a submerged object is less than the weight of the object, how do the... Problem 16A Problem 17A: Does the buoyant force on a floating object depend on the weight of the object itself or on the... Problem 18A: What is the buoyant force that acts on a 100-ton ship? (To make things simple, give your answer in... Problem 19A: According to Pascals principle, what happens to the pressure in all parts of a confined fluid when... Problem 20A: When the pressure in a hydraulic press is increased by an additional 10N/cm2, how much extra load... Problem 21A: Calculate the amount of pressure you experience when you balance a 5-kg ball on the tip of your... Problem 22A: Calculate the water pressure at the base of Hoover Dam. The depth of water behind the dam is 220 m.... Problem 23A: Calculate the water pressure in the pipes at the bottom of a high-rise building that is fed by a... Problem 24A: An 8.6-kg piece of metal displaces 1 liter of water when submerged. Calculate its density. Problem 25A: A 4.7-kg piece of metal displaces 0.6 liter of water when submerged. Calculate its density. Problem 26A: Stand on a bathroom scale and read your weight. When you lift one foot up so you're standing on the... Problem 27A: Which is more likely to hurt—being stepped on by a man wearing loafers or being stepped on by a... Problem 28A: Why are persons who are confined to bed less likely to develop bedsores on their bodies if they use... Problem 29A: The sketch shows a reservoir that supplies water to a farm. It is made of wood and is reinforced... Problem 30A Problem 31A: In a deep dive, a whale is appreciably compressed by the pressure of the surrounding water. What... Problem 32A: Which teapot holds more liquid? Problem 33A: What physics principle accounts for the observation that water seeks its own level? Problem 34A Problem 35A: If liquid pressure were the same at all depths, would there be a buoyant force on an object... Problem 36A: If a 1-L container is immersed halfway in water, what volume of water is displaced? What is the... Problem 37A: How much force is needed to push a nearly weightless but rigid 1-L carton beneath a surface of... Problem 38A: Why will a volleyball held beneath the surface of water have more buoyant force than if it is... Problem 39A: A barge filled with scrap iron is in a canal lock. If the iron is thrown overboard, does the water... Problem 40A: Would the water level in a canal lock go up or down if a ship in the lock were to sink? Problem 41A: A ship sailing from the ocean into a fresh-water harbor sinks slightly deeper into the water. Does... Problem 42A: Suppose you have two life preservers that are identical in size, the first a light one filled with... Problem 43A: When the block of wood is placed in the beaker, what happens to the scale reading? Answer the same... Problem 44A: When an ice cube in a glass of water melts, does the water level in the glass rise, fall, or remain... Problem 45A: In the hydraulic arrangement shown, the larger piston has an area that is 50 times that of the... Problem 46A: Hydraulic devices multiply forces. Why does this not violate the law of conservation of energy? Problem 47A: Which produces more pressure on the ground, an elephant or a woman balancing on high heels? Assume... Problem 48A: A hole of area 12cm2 is made in the bottom of a barge 1.5 m below the freshwater surface. A board is... Problem 49A Problem 50A: A dike in Holland springs a leak through a hole of area 1cm2 at a depth of 2 m below the water... Problem 51A: When a 1.8-kg wrench is suspended in water from a spring scale, the scale reading is 1.6 kg. What is... Problem 52A: A 13.5-kg block of metal displaces 5 liters of water when submerged. What kind of metal is likely to... Problem 53A: Phil can support 100 N of iron =78,000kg/m3 in water. How many newtons can he support in air? Problem 54A: A 1-kg rock suspended above water weighs 10 N. When the rock is suspended beneath the surface of the... Problem 55A: A merchant in Katmandu sells you a solid gold 1.000-kg statue for a very reasonable price. You... Problem 56A: A prospector desires to know if a nugget is pure gold. The nugget has a mass of 380 grams on a... Problem 57A: Consider a friend of mass 100 kg who can just barely float in fresh water. Show that the volume of... Problem 58A: A gravel barge, rectangular in shape, is 4 m wide and 10 m long. When loaded, it sinks 2 m in the... Problem 59A: A rectangular barge 5 m long and 2 m wide floats in fresh water. a. Show that the barge will sink 5... Problem 60A: A circus elephant weighing 18,800 N is taken on board a barge of length 6.2 m and breadth 3.0 m,... Problem 61A: In the hydraulic pistons shown in the sketch, the small piston has a diameter of 2 cm and the large... Problem 62A: Try to float an egg in water. Then dissolve salt in the water until the egg floats. How does the... Problem 63A: Punch a couple of holes in the bottom of a water-filled container, and water will spurt out because... Problem 64A: Make a Cartesian diver like the one shown below. Completely fill a large, pliable plastic bottle... format_list_bulleted