 12.12.1: What is a rigid body?
 12.12.2: What is torque?
 12.12.3: What does torque do?
 12.12.4: What is angular momentum?
 12.12.5: What is conserved in rotational motion?
 12.12.6: Why is rigidbody motion important?
 12.12.7: A barbell consists of a 500 g ball and a 2.0 kg ball connected by a...
 12.12.8: A baseball bat is cut into two pieces at its center of mass. Which ...
 12.12.9: Find the center of mass of a thin, uniform rod of length L and mass...
 12.12.10: A solid cylinder and a cylindrical shell, each with radius R and ma...
 12.12.11: Students participating in an engineering project design the triangu...
 12.12.12: Four Ts are made from two identical rods of equal mass and length. ...
 12.12.13: A 1.0mlong, 200 g rod is hinged at one end and connected to a wal...
 12.12.14: Rank in order, from largest to smallest, the five torques ta to te....
 12.12.15: Find the moment of inertia of a thin, uniform rod of length L and m...
 12.12.16: Rank in order, from largest to smallest, the angular accelerations ...
 12.12.17: Find the moment of inertia of a circular disk of radius R and mass ...
 12.12.18: What does the scale read? a. 500 N b. 1000 N c. 2000 N d. 4000 N
 12.12.19: Find the moment of inertia of a thin rod with mass M and length L a...
 12.12.20: Two buckets spin around in a horizontal circle on frictionless bear...
 12.12.21: Luis uses a 20cmlong wrench to turn a nut. The wrench handle is t...
 12.12.22: The 4.00mlong, 500 kg steel beam shown in FIGURE 12.25 is support...
 12.12.23: Far out in space, a 100,000 kg rocket and a 200,000 kg rocket are d...
 12.12.24: The engine in a small airplane is specified to have a torque of 60 ...
 12.12.25: A 2.0 kg bucket is attached to a massless string that is wrapped ar...
 12.12.26: Weightlifting can exert extremely large forces on the bodys joints ...
 12.12.27: Adrienne (50 kg) and Bo (90 kg) are playing on a 100 kg rigid plank...
 12.12.28: A 3.0mlong ladder leans against a frictionless wall at an angle o...
 12.12.29: Figure 12.47 shows vectors C u and D u in the plane of the page. Wh...
 12.12.30: Example 12.8 found the torque that Luis exerts on a nut by pulling ...
 12.12.31: Two equal masses are at the ends of a massless 50cmlong rod. The ...
 12.12.32: A 20cmdiameter, 2.0 kg solid disk is rotating at 200 rpm. A 20cm...
 12.12.33: A gyroscope used in a lecture demonstration consists of a 120 g, 7....
 12.12.34: A 2.0 kg block hangs from the end of a 1.5 kg,1.0@m@long rod, toget...
 12.12.35: Is the center of mass of the dumbbell in FIGURE Q12.1 at point a, b...
 12.12.36: If the angular velocity v is held constant, by what factor must R c...
 12.12.37: FIGURE Q12.3 shows three rotating disks, all of equal mass. Rank in...
 12.12.38: Must an object be rotating to have a moment of inertia? Explain
 12.12.39: The moment of inertia of a uniform rod about an axis through its ce...
 12.12.40: You have two solid steel spheres. Sphere 2 has twice the radius of ...
 12.12.41: The professor hands you two spheres. They have the same mass, the s...
 12.12.42: Six forces are applied to the door in FIGURE Q12.8. Rank in order, ...
 12.12.43: A student gives a quick push to a ball at the end of a massless, ri...
 12.12.44: Rank in order, from largest to smallest, the angular accelerations ...
 12.12.45: The solid cylinder and cylindrical shell in FIGURE Q12.11 have the ...
 12.12.46: A diver in the pike position (legs straight, hands on ankles) usual...
 12.12.47: Is the angular momentum of disk a in FIGURE Q12.13 larger than, sma...
 12.12.48: A highspeed drill reaches 2000 rpm in 0.50 s. a. What is the drill...
 12.12.49: A skater holds her arms outstretched as she spins at 180 rpm. What ...
 12.12.50: A ceiling fan with 80cmdiameter blades is turning at 60 rpm. Supp...
 12.12.51: An 18cmlong bicycle crank arm, with a pedal at one end, is attach...
 12.12.52: How far from the center of the earth is the center of mass of the e...
 12.12.53: The three masses shown in Figure EX12.6 are connected by massless, ...
 12.12.54: The three masses shown in Figure EX12.7 are connected by massless, ...
 12.12.55: A 100 g ball and a 200 g ball are connected by a 30cmlong, massle...
 12.12.56: A thin, 100 g disk with a diameter of 8.0 cm rotates about an axis ...
 12.12.57: What is the rotational kinetic energy of the earth? Assume the eart...
 12.12.58: The three 200 g masses in Figure EX12.11 are connected by massless,...
 12.12.59: A drum major twirls a 96cmlong, 400 g baton about its center of m...
 12.12.60: The four masses shown in Figure EX12.13 are connected by massless, ...
 12.12.61: The four masses shown in Figure EX12.13 are connected by massless, ...
 12.12.62: The three masses shown in Figure EX12.15 are connected by massless,...
 12.12.63: A 12cmdiameter CD has a mass of 21 g. What is the CDs moment of i...
 12.12.64: A 25 kg solid door is 220 cm tall, 91 cm wide. What is the doors mo...
 12.12.65: In Figure EX12.18, what is the net torque about the axle?
 12.12.66: In Figure EX12.19, what magnitude force provides 5.0 Nm net torque ...
 12.12.67: The 20cmdiameter disk in Figure EX12.20 can rotate on an axle thr...
 12.12.68: The axle in Figure EX12.21 is half the distance from the center to ...
 12.12.69: A 4.0mlong, 500 kg steel beam extends horizontally from the point...
 12.12.70: An athlete at the gym holds a 3.0 kg steel ball in his hand. His ar...
 12.12.71: An objects moment of inertia is 2.0 kgm2 . Its angular velocity is ...
 12.12.72: An object whose moment of inertia is 4.0 kgm2 experiences the torqu...
 12.12.73: A 1.0 kg ball and a 2.0 kg ball are connected by a 1.0mlong rigid...
 12.12.74: Starting from rest, a 12cmdiameter compact disk takes 3.0 s to re...
 12.12.75: A 4.0 kg, 36cmdiameter metal disk, initially at rest, can rotate ...
 12.12.76: The two objects in Figure EX12.29 are balanced on the pivot. What i...
 12.12.77: The object shown in Figure EX12.30 is in equilibrium. What are the ...
 12.12.78: The 3.0mlong, 100 kg rigid beam of Figure EX12.31 is supported at...
 12.12.79: A 5.0 kg cat and a 2.0 kg bowl of tuna fish are at opposite ends of...
 12.12.80: A car tire is 60 cm in diameter. The car is traveling at a speed of...
 12.12.81: A 500 g, 8.0cmdiameter can is filled with uniform, dense food. It...
 12.12.82: An 8.0cmdiameter, 400 g solid sphere is released from rest at the...
 12.12.83: A solid sphere of radius R is placed at a height of 30 cm on a 15 s...
 12.12.84: Evaluate the cross products A u * B u and C u * D u .
 12.12.85: Evaluate the cross products A u * B u and C u * D u .
 12.12.86: Vector A u = 3 i n + j n and vector B u = 3 i n  2j n + 2 k n. Wha...
 12.12.87: Force F u = 10j n N is exerted on a particle at r u = 15 i n + 5j ...
 12.12.88: A 1.3 kg ball on the end of a lightweight rod is located at 1x, y2 ...
 12.12.89: What are the magnitude and direction of the angular momentum relati...
 12.12.90: What is the angular momentum vector of the 2.0 kg, 4.0cmdiameter r...
 12.12.91: What is the angular momentum vector of the 500 g rotating bar in FI...
 12.12.92: How fast, in rpm, would a 5.0 kg, 22cmdiameter bowling ball have ...
 12.12.93: A 2.0 kg, 20cmdiameter turntable rotates at 100 rpm on frictionle...
 12.12.94: A 75 g, 6.0cmdiameter solid spherical top is spun at 1200 rpm on ...
 12.12.95: A toy gyroscope has a ring of mass M and radius R attached to the a...
 12.12.96: A 300 g ball and a 600 g ball are connected by a 40cmlong massles...
 12.12.97: An 800 g steel plate has the shape of the isosceles triangle shown ...
 12.12.98: Determine the moment of inertia about the axis of the object shown ...
 12.12.99: What is the moment of inertia of a 2.0 kg, 20cmdiameter disk for ...
 12.12.100: Calculate by direct integration the moment of inertia for a thin ro...
 12.12.101: Calculate the moment of inertia of the rectangular plate in FIGURE ...
 12.12.102: a. A disk of mass M and radius R has a hole of radius r centered on...
 12.12.103: Consider a solid cone of radius R, height H, and mass M. The volume...
 12.12.104: A persons center of mass is easily found by having the person lie o...
 12.12.105: A 3.0mlong ladder, as shown in Figure 12.35, leans against a fric...
 12.12.106: In Figure P12.59, an 80 kg construction worker sits down 2.0 m from...
 12.12.107: A 40 kg, 5.0mlong beam is supported by, but not attached to, the ...
 12.12.108: Your task in a science contest is to stack four identical uniform b...
 12.12.110: A piece of modern sculpture consists of an 8.0mlong, 150 kg stain...
 12.12.111: Flywheels are large, massive wheels used to store energy. They can ...
 12.12.112: Blocks of mass m1 and m2 are connected by a massless string that pa...
 12.12.113: The 2.0 kg, 30cmdiameter disk in Figure P12.66 is spinning at 300...
 12.12.114: A 30cmdiameter, 1.2 kg solid turntable rotates on a 1.2cmdiamet...
 12.12.115: Your engineering team has been assigned the task of measuring the p...
 12.12.116: A hollow sphere is rolling along a horizontal floor at 5.0 m/s when...
 12.12.117: A 750 g disk and a 760 g ring, both 15 cm in diameter, are rolling ...
 12.12.118: A cylinder of radius R, length L, and mass M is released from rest ...
 12.12.119: The 5.0 kg, 60cmdiameter disk in FIGURE P12.72 rotates on an axle...
 12.12.120: A thin, uniform rod of length L and mass M is placed vertically on ...
 12.12.121: A long, thin rod of mass M and length L is standing straight up on ...
 12.12.122: The marble rolls down the track shown in FIGURE P12.75 and around a...
 12.12.123: The sphere of mass M and radius R in FIGURE P12.76 is rigidly attac...
 12.12.124: A satellite follows the elliptical orbit shown in FIGURE P12.77. Th...
 12.12.125: A 10 g bullet traveling at 400 m/s strikes a 10 kg, 1.0mwide door...
 12.12.126: A 200 g, 40cmdiameter turntable rotates on frictionless bearings ...
 12.12.127: Luc, who is 1.80 m tall and weighs 950 N, is standing at the center...
 12.12.128: A merrygoround is a common piece of playground equipment. A 3.0m...
 12.12.129: A 45 kg figure skater is spinning on the toes of her skates at 1.0 ...
 12.12.130: During most of its lifetime, a star maintains an equilibrium size i...
 12.12.131: The earths rotation axis, which is tilted 23.5 from the plane of th...
 12.12.132: The bunchberry flower has the fastestmoving parts ever observed in...
 12.12.133: The two blocks in FIGURE CP12.86 are connected by a massless rope t...
 12.12.134: A rod of length L and mass M has a nonuniform mass distribution. Th...
 12.12.135: In FIGURE CP12.88, a 200 g toy car is placed on a narrow 60cmdiam...
 12.12.136: FIGURE CP12.89 shows a cube of mass m sliding without friction at s...
 12.12.137: A 75 g, 30cmlong rod hangs vertically on a frictionless, horizont...
 12.12.109: A 120cmwide sign hangs from a 5.0 kg, 200cmlong pole. A cable o...
Solutions for Chapter 12: Rotation of a Rigid Body
Full solutions for Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 136)  4th Edition
ISBN: 9780134081496
Solutions for Chapter 12: Rotation of a Rigid Body
Get Full SolutionsThis textbook survival guide was created for the textbook: Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 136), edition: 4. This expansive textbook survival guide covers the following chapters and their solutions. Since 137 problems in chapter 12: Rotation of a Rigid Body have been answered, more than 38660 students have viewed full stepbystep solutions from this chapter. Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 136) was written by Patricia and is associated to the ISBN: 9780134081496. Chapter 12: Rotation of a Rigid Body includes 137 full stepbystep solutions.

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parallel

any symbol
average (indicated by a bar over a symbol—e.g., v¯ is average velocity)

°C
Celsius degree

°F
Fahrenheit degree
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