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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- If a pump is capable of lifting 5000kg of water through a vertical height of 60m in 15 min, the power of the pump isarrow_forwardThe discharge of water through a pipe of diameter 40 cm is 400 litres/s. If the pipe is bend by 135", find the magnitude and direction of the resultant force on the bend. The pressure of flowing water is 29.43 N/cm²arrow_forwardA pipe of diameter 11 cm conveying 200 liters/s of water has bend of angle (θ = 90⁰if last digit is zero/even and θ = 0⁰ if last digit is odd) through horizontal plane. Find theresultant force exerted on the bend if the pressure at the inlet and outlet of the bend are 15N/cm2 and 10 N/cm2respectively.arrow_forward
- Use density of water = 1000kg/m3 and acceleration due to gravity equal to 9.81 m/s2. A rectangular tank containing water at a depth of 1.2 m is accelerating towards the right, the motion of which is parallel to the longest side. If the tank has the following dimensions: length = 3meters, width = 1.8 meters and height = 1.5 meters, determine the following: a.) The maximum allowable acceleration b.) The unbalanced force causing the maximum acceleration in kN. c.) Angle in degrees of fluid inclination of the acceleration from part a. d.) How many cu. m of water is spilled when a = 2.5 m/s2 Answer in four decimal placesarrow_forwardA pump can deliver 5 cubic meters per minute of water to a height of 50 meters. If the pump has an efficiency of 85.5% and is coupled from a motor with rotational speed of 25 revolutions per second, calculate the torque in lb-ft delivered by the shaft. a. 242.4b. 224.4c. 244.2d. 424.2arrow_forwardA pipe of diameter 10cm conveying 200 liters/s of water has bend of angle (θ = 90⁰) and θ = 0⁰ through horizontal plane. Find theresultant force exerted on the bend if the pressure at the inlet and outlet of the bend are 15N/cm2 and 10 N/cm2respectivelyarrow_forward
- For a pump, discuss the difference between brake horsepower and water horsepower, and also define pump efficiency in terms of these quantities.arrow_forwardA lead ball of radius 5 cm is immersed in water. Calculate the thrust it undergoes. Consider the density of water as 1000 km/m^3. The formula for the volume of the ball is V=3/4 πr^3arrow_forwardA pump is installed in a pipe system, where at the suction side 1.0 m below the pump, an open manometer reads a vacuum of 20 cm of mercury. The pipe is 10 cm in diameter and the flow is 35 L/s of water. Find the total energy at the location of the manometer, relative to a datum, through the pump. include your free body diagram A.12.74 m B.-4.67 m C.-2.72 m D.2.56arrow_forward
- In two communicating tubes that contain mercury, a height "h" of water is made by one of them first and another equal height "h" of oil later. pour the other sludge The density of the oil will be taken as 0.9 1g/cm^3 and that of the mercury as 13.6g/cm^3arrow_forwardA pump discharges 150 liters per second of water to a height of 75 m.If the pump efficiency is 75% and the speed of the pump is 1800 rpm,what is the torque in N-m to which the drive shaft is subjected?arrow_forwardb) A pipeline bends in the horizontal plane through an angle of 45°shown in Figure 6.Thediameter of the pipe changes from 0.6 m before the bend to 0.4 m after it. Water enters the bend at the rate of 0.5 m3/s with a pressure of 150 x 103N/m2. Assuming that there is no loss of energy.i) Determine pressure at the outlet, P2-ii) Calculate the magnitude and direction of the resultant force exerted on the pipe bend by the water.arrow_forward
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