 9.75GP: Parachutists whose chutes have failed to open have been known to su...
 9.76GP: A steel wire 2.0 mm in diameter stretches by 0.030% when a mass is ...
 9.77GP: In Example 7–6 in Chapter 7, we calculated the impulse and average ...
 9.78GP: The roof over a 7.0m × 10.0m room in a school has a total mass of...
 9.79GP: A 25kg object is being lifted by pulling on the ends of a 1.00mm...
 9.6Q: Explain why touching your toes while you are seated on the floor wi...
 9.2P: Calculate the torque about the front support post (B) of a diving b...
 9.36P: The Leaning Tower of Pisa is 55 m tall and about 7.0 m in diameter....
 9.39P: A marble column of crosssectional area 1.2 m2 supports a mass of 2...
 9.40P: By how much is the column in shortened if it is 9.6 m high? A marbl...
 9.41P: A sign (mass 2100 kg) hangs from the end of a vertical steel girder...
 9.47P: A pole projects horizontally from the front wall of a shop. A 5.1k...
 9.50P: If a compressive force of 3.6 × 104 N is exerted on the end of a 22...
 9.51P: (a) What is the minimum crosssectional area required of a vertical...
 9.52P: Assume the supports of the uniform cantilever shown in Fig. 9–69 (m...
 9.53P: An iron bolt is used to connect two iron plates together. The bolt ...
 9.54P: A steel cable is to support an elevator whose total (loaded) mass i...
 9.61GP: When a wood shelf of mass 5.0 kg is fastened inside a slot in a ver...
 9.62GP: A 50story building is being planned. It is to be 200.0 m high with...
 9.64GP: In Fig. 9–76, consider the righthand (northernmost) section of the...
 9.66GP: The forces acting on a 67,000kg aircraft flying at constant veloci...
 9.67GP: A uniform flexible steel cable of weight mg is suspended between tw...
 9.68GP: A 20.0mlong uniform beam weighing 550 N rests on walls A and B, a...
 9.70GP: A 60.0kg painter is on a uniform 25kg scaffold supported from abo...
 9.72GP: A man doing pushups pauses in the position shown in Fig. 9–84. His...
 9.73GP: A 20kg sphere rests between two smooth planes as shown in Fig. 9–8...
 9.74GP: A 2200kg trailer is attached to a stationary truck at point B, Fig...
 9.1Q: Describe several situations in which an object is not in equilibriu...
 9.2Q: A bungee jumper momentarily comes to rest at the bottom of the dive...
 9.1P: Three forces are applied to a tree sapling, as shown in Fig. 9–41, ...
 9.3Q: You can find the center of gravity of a meter stick by resting it h...
 9.4Q: Your doctor's scale has arms on which weights slide to counter your...
 9.3CQ: 3CQ A 0.2 kg plastic cart and a 20 kg lead cart can roll without fr...
 9.3P: Calculate the mass m needed in order to suspend the leg shown in Fi...
 9.5Q: A ground retaining wall is shown in Fig. 936a. The ground, particu...
 9.7Q: A ladder, leaning against a wall, makes a 60° angle with the ground...
 9.4P: How far out on the diving board (Fig. 9–42) would a 58kg diver hav...
 9.8Q: A uniform meter stick supported at the 25cm mark is in equilibrium...
 9.5P: Two cords support a chandelier in the manner shown in Fig. 9–4 exce...
 9.9Q: Can the sum of the torques on an object be zero while the net force...
 9.6CQ: Problme 6CQ Two students stand at rest, facing each other on fricti...
 9.10Q: Figure 938 shows a cone. Explain how to lay it on a flat table so ...
 9.6P: Calculate the forces FA and FB that the supports exert on the divin...
 9.11Q: Which configuration of bricks, Fig. 939a or Fig. 939b, is the mor...
 9.7CQ: Two particles collide, one of which was initially moving and the ot...
 9.7P: (II) A uniform steel beam has a mass of 940 kg. On it is resting ha...
 9.12Q: Why do you tend to lean backward when carrying a heavy load in your...
 9.13Q: Place yourself facing the edge of an open door. Position your feet ...
 9.8P: A 140kg horizontal beam is supported at each end. A 320kg piano r...
 9.14Q: Why is it not possible to sit upright in a chair and rise to your f...
 9.15Q: Why is it more difficult to do situps when your knees are bent tha...
 9.9P: (II) A 75kg adult sits at one end of a 9.0mlong board. His 25kg...
 9.16Q: Name the type of equilibrium for each position of the ball in Fig. ...
 9.10P: (II) Calculate FA and FB for the uniform cantilever shown in Fig. 9...
 9.17Q: Is the Young's modulus for a bungee cord smaller or larger than tha...
 9.11CQ: Two ice skaters, Megan and Jason, push off from each other on frict...
 9.18Q: Examine how a pair of scissors or shears cuts through a piece of ca...
 9.11P: Find the tension in the two cords shown in Fig. 9–45. Neglect the m...
 9.19Q: Materials such as ordinary concrete and stone are very weak under t...
 9.12P: (II) Find the tension in the two wires supporting the traffic light...
 9.13P: How close to the edge of the 20.0kg table shown in Fig. 9–47 can a...
 9.14P: A 0.60kg sheet hangs from a massless clothesline as shown in Fig. ...
 9.15P: Calculate FA and FB for the beam shown in Fig. 9–49. The downward f...
 9.37P: (III) Four bricks are to be stacked at the edge of a table, each br...
 9.16P: Three children are trying to balance on a seesaw, which consists of...
 9.38P: (I) A nylon string on a tennis racket is under a tension of 275 N. ...
 9.42P: (II) One liter of alcohol (1000 cm3) in a flexible container is car...
 9.17P: (II) Figure 950 shows a pair of forceps used to hold a thin plasti...
 9.43P: (II) A 15cmlong tendon was found to stretch 3.7 mm by a force of ...
 9.44P: (II) How much pressure is needed to compress the volume of an iron ...
 9.18P: Calculate (a) the tension FT in the wire that supports the 27kg be...
 9.45P: (II) At depths of 2000 m in the sea, the pressure is about 200 time...
 9.46P: (III) A scallop forces open its shell with an elastic material call...
 9.19P: (II) A 172cmtall person lies on a light (massless) board which is...
 9.48P: (I) The femur bone in the human leg has a minimum effective cross s...
 9.49P: (II) (a) What is the maximum tension possible in a 1.00mmdiameter...
 9.20P: A shop sign weighing 245 N is supported by a uniform 155N beam as ...
 9.55P: (II) How high must a pointed arch be if it is to span a space 8.0 m...
 9.56P: (II) The subterranean tension ring that exerts the balancing horizo...
 9.21P: A traffic light hangs from a pole as shown in Fig. 9–55. The unifor...
 9.63GP: The center of gravity of a loaded truck depends on how the truck is...
 9.65GP: Wien a mass of 25 kg is hung from the middle of a fixed straight al...
 9.22P: The 72kgman’s hands in Fig. 9–56 are 36 cm apart. His CG is locat...
 9.69GP: A cube of side rests on a rough floor. It is subjected to a steady ...
 9.71GP: A woman holds a 2.0mlong uniform 10.0kg pole as shown in Fig. 9...
 9.23P: A uniform meter stick with a mass of 180 g is supported horizontall...
 9.80GP: There is a maximum height of a uniform vertical column made of any ...
 9.1CQ: What can you say about the velocity of a moving body that is in dyn...
 9.1PE: (a) When opening a door, you push on it perpendicularly with a forc...
 9.24P: The two trees in Fig. 9–58 are 7.6 m apart. A backpacker is trying ...
 9.25P: (III) A door 2.30 m high and 1.30 m wide has a mass of 13.0 kg. A h...
 9.3PE: Two children push on opposite sides of a door during play. Both pus...
 9.26P: (III) A uniform ladder of mass m and length t leans at an angle ? a...
 9.4PE: Use the second condition for equilibrium (net ? = 0) to calculate F...
 9.27P: Consider a ladder with a painter climbing up it (Fig. 994). The ma...
 9.28P: A person wants to push a lamp (mass 7.2 kg) across the floor, for w...
 9.5PE: Repeat the seesaw problem in Example 9.1 with the center of mass of...
 9.29P: Two wires run from the top of a pole 2.6 m tall that supports a vol...
 9.30P: (I) Suppose the point of insertion of the biceps muscle into the lo...
 9.6PE: Suppose a horse leans against a wall as in Figure 9.31. Calculate t...
 9.31P: Approximately what magnitude force, FM, must the extensor muscle in...
 9.32P: (II) (a) Calculate the magnitude of the force, FM required of the "...
 9.7PE: Two children of mass 20 kg and 30 kg sit balanced on a seesaw with ...
 9.33P: Suppose the hand in holds a 15kg mass. What force, FM, is required...
 9.34P: (II) The Achilles tendon is attached to the rear of the foot as sho...
 9.8PE: (a) Calculate the magnitude and direction of the force on each foot...
 9.35P: (II) Redo Example 99, assuming now that the person is less bent ov...
 9.10PE: A 17.0mhigh and 11.0mlong wall under construction and its braci...
 9.11PE: (a) What force must be exerted by the wind to support a 2.50kg chi...
 9.12PE: Suppose the weight of the drawbridge in Figure 9.34 is supported en...
 9.13PE: Suppose a 900kg car is on the bridge in Figure 9.34 with its cente...
 9.14PE: A sandwich board advertising sign is constructed as shown in Figure...
 9.15PE: (a) What minimum coefficient of friction is needed between the legs...
 9.16PE: A gymnast is attempting to perform splits. From the information giv...
 9.17PE: To get up on the roof, a person (mass 70.0 kg) places a 6.00m alum...
 9.18PE: In Figure 9.21, the cg of the pole held by the pole vaulter is 2.00...
 9.19CQ: one of the reasons why pregnant women often suffer from back strain...
 9.19PE: What is the mechanical advantage of a nail puller—similar to the on...
 9.57GP: The mobile in Fig. 9–71 is in equilibrium. Object B has mass of 0.8...
 9.20PE: Suppose you needed to raise a 250kg mower a distance of 6.0 cm abo...
 9.58GP: A tightly stretched “high wire” is 46 m long. It sags 2.2 m when a ...
 9.21PE: a) What is the mechanical advantage of a wheelbarrow, such as the o...
 9.59GP: What minimum horizontal force F is needed to pull a wheel of radius...
 9.22PE: A typical car has an axle with 1.10 cm radius driving a tire with a...
 9.60GP: A 25kg round table is supported by three legs equal distances apar...
 9.23PE: What force does the nail puller in Exercise 9.19 exert on the suppo...
 9.24PE: If you used an ideal pulley of the type shown in Figure 9.26(a) to ...
 9.25PE: Repeat Exercise 9.24 for the pulley shown in Figure 9.26(c), assumi...
 9.26PE: that the force in the elbow joint in Example 9.4 is 407 N, as state...
 9.27PE: Two muscles in the back of the leg pull on the Achilles tendon as s...
 9.28PE: The upper leg muscle (quadriceps) exerts a force of 1250 N, which i...
 9.29PE: A device for exercising the upper leg muscle is shown in Figure 9.3...
 9.30PE: A person working at a drafting board may hold her head as shown in ...
 9.31PE: We analyzed the biceps muscle example with the angle between forear...
 9.32PE: Even when the head is held erect, as in Figure 9.41, its center of ...
 9.33PE: A 75kg man stands on his toes by exerting an upward force through ...
 9.34PE: A father lifts his child as shown in Figure 9.43. What force should...
 9.35PE: ‘Unlike most of the other muscles in our bodies, the masseter muscl...
 9.36PE: Integrated Concepts Suppose we replace the 4.0kg book in Exercise ...
 9.37PE: (a) What force should the woman in Figure 9.45 exert on the floor w...
 9.38PE: You have just planted a sturdy 2mtall palm tree in your front law...
 9.39PE: Unreasonable Results Suppose two children are using a uniform seesa...
 9.40PE: Construct Your Own a method for measuring the mass of a person’s ar...
Solutions for Chapter 9: Physics: Principles with Applications 6th Edition
Full solutions for Physics: Principles with Applications  6th Edition
ISBN: 9780130606204
Solutions for Chapter 9
Get Full SolutionsSince 143 problems in chapter 9 have been answered, more than 167917 students have viewed full stepbystep solutions from this chapter. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. Chapter 9 includes 143 full stepbystep solutions. This expansive textbook survival guide covers the following chapters and their solutions.

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