International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN: 9781305501607
Author: Andrew Pytel And Jaan Kiusalaas
Publisher: CENGAGE L
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Chapter 1, Problem 1.3P
Convert the following: (a)
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Chapter 1 Solutions
International Edition---engineering Mechanics: Statics, 4th Edition
Ch. 1 - A person weighs 30 lb on the moon, where...Ch. 1 - The radius and length of a steel cylinder are 40...Ch. 1 - Convert the following: (a) 400lbft to knm; (b)...Ch. 1 - A compact car travels 30 mi on one gallon of gas....Ch. 1 - The kinetic energy of a car of mass m moving with...Ch. 1 - In a certain application, the coordinate a and the...Ch. 1 - When a force F acts on a linear spring, the...Ch. 1 - In some applications dealing with very high...Ch. 1 - A geometry textbook gives the equation of a...Ch. 1 - A differential equation is d2ydt2=Ay2+Byt where y...
Ch. 1 - The position coordinate x of a particle is...Ch. 1 - A differential equation encountered in the...Ch. 1 - Determine the dimensions of constants A and B far...Ch. 1 - The typical power output of a compact car engine...Ch. 1 - Two 12-kg spheres are placed 400 mm apart. Express...Ch. 1 - Two identical spheres of radius 8 in. and weighing...Ch. 1 - A man weighs 170 lb on the surface of the earth....Ch. 1 - Use Eq. (1.4) to show that the weight of an object...Ch. 1 - Plot the earths gravitational acceleration g(m/s2)...Ch. 1 - Find the elevation h (km) where the weight of an...Ch. 1 - Calculate the gravitational force between the...Ch. 1 - The magnitudes of the two velocity vectors are...Ch. 1 - Determine the magnitudes of vectors v1 and v2 so...Ch. 1 - The pole AB is held up by the rope attached to B....Ch. 1 - Resolve the 20-kN force into components along the...Ch. 1 - The velocity vector of the boat has two...Ch. 1 - Two members of a truss apply the forces shown to...Ch. 1 - Two members of a truss apply the forces shown to...Ch. 1 - Determine the resultant of the position vectors A...Ch. 1 - Resolve the position vector A of the car (measured...Ch. 1 - Resolve the 360-lb force into components along the...Ch. 1 - The supporting cables AB and AC are oriented so...Ch. 1 - The two forces shown act on the structural member...Ch. 1 - The resultant of the two forces has a magnitude of...Ch. 1 - The forces acting on the bob of the pendulum are...Ch. 1 - A surveyor sights a target at C from points A and...Ch. 1 - Knowing that the resultant of the two forces is...Ch. 1 - To move the oil drum, the resultant of the three...Ch. 1 - The resultant of the 50-Ib and 30-lb forces is R....Ch. 1 - Obtain the rectangular representation of the force...Ch. 1 - The length of the position vector r is 240 mm....Ch. 1 - Determine the rectangular components of the 560-lb...Ch. 1 - The coordinates of points A and B are (-3, 0, 2)...Ch. 1 - The slider travels along the guide rod AB with the...Ch. 1 - Find the rectangular representation of the force...Ch. 1 - The magnitude of the force F is 160 lb. Find its...Ch. 1 - A rifle at A is fired at a target at B. If the...Ch. 1 - The pole OB is subjected to the 6004b force at B....Ch. 1 - The cables AB and AC are attached to the frame...Ch. 1 - The two forces are applied to the end of the boom...Ch. 1 - The magnitudes of the three forces are...Ch. 1 - Given that P=120lb and Q=130lb, find the...Ch. 1 - Knowing that P=90lb and that the resultant of P...Ch. 1 - If R is the resultant of the forces P and Q, find...Ch. 1 - The force R is the resultant of P and 0. Determine...Ch. 1 - The vertical post is secured by three cables. The...Ch. 1 - Compute the dot product A - B for each of the...Ch. 1 - Compute the cross product C=AB for each of the...Ch. 1 - Given r=4i6j+2km (position vector) F=20i+40j30kN...Ch. 1 - Compute AB and CB for the position vectors shown.Ch. 1 - Use the dot product to find the angle between the...Ch. 1 - Use the dot product to find the angle between the...Ch. 1 - Let A and B be two nonparallel vectors that lie in...Ch. 1 - Determine (a) the angle between the position...Ch. 1 - Find a unit vector that is perpendicular to both...Ch. 1 - The three points A(0,2,2),B(1,4,1), and C(3,0,0)...Ch. 1 - For the position vectors P and Q shown, determine...Ch. 1 - Compute the orthogonal Component of F=6i+20j12klb...Ch. 1 - Compute the value of the scalar a for which the...Ch. 1 - Resolve A=3i+5j4k in. into two vector...Ch. 1 - The force F=5i+12j+4k lb is applied to the handle...Ch. 1 - Determine the value of the scalar a if the...Ch. 1 - Resolve the force F=20i+30j+50klb into two...Ch. 1 - It can be show that a plane area may he...Ch. 1 - The coordinates of the corners of a triangle ABC...Ch. 1 - Show that |abc| equals the volume of a...
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- 1. The roller coaster car weighs 350 lb with passengers. A. Find the speed of the car at point B. Neglect friction. B. Find the normal force the track exerts on the car at point B. 200 ft VA = 15 ft/s -200 ft (40 000 - x²) Barrow_forwardA 30-lbm steel gas tank holds 10 ft³ of liquid gasoline having a density of 50 lb/ft³. What force is needed to accelerate this combined system at arate of 15 ft/s2?arrow_forwardTwo masses are fixed at 79 degrees to each other on a rotating disc, one is 3.2 kg at a radius of 130mm and the other is 4.6 kg at a radius of 162 mm. Find the position to fix a 7.5 kg mass to balance all of the centrifugal forces.arrow_forward
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- Q2. A pulley is driven by a flat belt running at a speed of 600 m/min. The coefficient of friction between the pulley and the belt is 0.3 and the angle of lap is 160°. If the maximum tension in the belt is 700 N; find the power transmitted by a belt..arrow_forwardA 121-mm-diameter pipe enlarges to a 206-mm-diameter pipe. At section 1 of the smaller pipe, the density of a gas in steady flow is 346 kg/m3, and the velocity is 15 m/s; at section 2 of the larger pipe, the velocity is 24 m/s. Find the density in kg/m3 of the gas in section 2.arrow_forward1. An automobile weighs 2000 lb. Calculate the weight of the car in N and its mass in kg. 2. What is the acceleration of a car that moves from a speed of 2.5 m/s to a speed of 25 m/s during a time of 6.5 s? 3. An astronaut has a mass of 120 kg. She recedes from her spacecraft using spurts of gas from a small unit on her back. If the force generated by the gas spurt is 50 N, calculate her acceleration. 4. A steady 45 N horizontal force is applied to a 15 kg object on a table. The object slides against a friction force of 30 N Colouloto + he 200eloretien of the obiootarrow_forward
- Q2) The figure below represents a hydraulic car jack has an output cylinder 30 cm in diameter and an input cylinder 5 cm in diameter and is filled with oil of density 900 kg/m 3. An automobile of mass 1200 kg needs to be clevated 35 cm. (a) How far does the piston of the input eylinder need to move? (b) What is the magnitude of the force on the input piston required to keep the car elevated? Input end 4,4, = A4, Output end up by a distance h, area A mass 14 initial initial position position area A Points (a) and down by a distance h, (b) are at the thị same level. fluid of density p,arrow_forward2. Fluid flows in a pipe of different radii: point A – 3 cm; point B – 1 cm; point C – 5 cm. If the speed of water that flows at point A is 8 m/s, find the water speed at other points (B and C) in the pipe.arrow_forwardA semicircular plate with radius r= 2 is submerged in water as seen in the picture. Using the facts that the density of water is 1000 kg/m³ and acceleration due to gravity is 9.8 m/s², calculate the fluid force (in N) against the side of the plate. Make sure your answer is correct to three decimal places at least. Fluid force radius-r Narrow_forward
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