## Solutions for International Edition---engineering Mechanics: Statics, 4th Edition

Problem 1.1P:

A person weighs 30 lb on the moon, where g=5.32ft/s2. Determine (a) the mass of the person; and (b)...Problem 1.2P:

The radius and length of a steel cylinder are 40 mm and 110 mm, respectively. If the mass density of...Problem 1.3P:

Convert the following: (a) 400lbft to knm; (b) 6m/s to mi/h; (c) 20lb/in.2 to Pa; and (d)...Problem 1.4P:

A compact car travels 30 mi on one gallon of gas. Determine the gas mileage of the car in km/L. Note...Problem 1.5P:

The kinetic energy of a car of mass m moving with velocity v is E=mv2/2. If m=1000kg and v=6m/s,...Problem 1.6P:

In a certain application, the coordinate a and the position coordinate x of a particle are related...Problem 1.7P:

When a force F acts on a linear spring, the elongation x of the spring is given by F = kx, where k...Problem 1.8P:

In some applications dealing with very high speeds, the velocity is measured in mm/s. Convert 8mm/s...Problem 1.9P:

A geometry textbook gives the equation of a parabola as y=x2, where x and y are measured in inches....Problem 1.10P:

A differential equation is d2ydt2=Ay2+Byt where y represents a distance and t is time. Determine the...Problem 1.11P:

The position coordinate x of a particle is determined by its velocity v and the elapsed time t as...Problem 1.12P:

A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...Problem 1.13P:

Determine the dimensions of constants A and B far which the following equation is dimensionally...Problem 1.14P:

The typical power output of a compact car engine is 110 hp. What is the equivalent power in (a)...Problem 1.15P:

Two 12-kg spheres are placed 400 mm apart. Express the gravitational attraction acting between the...Problem 1.16P:

Two identical spheres of radius 8 in. and weighing 2 lb on the surface of the earth are placed in...Problem 1.17P:

A man weighs 170 lb on the surface of the earth. Compute his weight in an airplane flying at an...Problem 1.18P:

Use Eq. (1.4) to show that the weight of an object on the moon is approximately 1/6 its weight on...Problem 1.19P:

Plot the earths gravitational acceleration g(m/s2) against the height h (km) above the surface of...Problem 1.20P:

Find the elevation h (km) where the weight of an object is one-tenth its weight on the surface of...Problem 1.21P:

Calculate the gravitational force between the earth and the moon in new-tons. The distance between...Problem 1.22P:

The magnitudes of the two velocity vectors are v1=5m/s and v2=3m/s. Determine their resultant...Problem 1.23P:

Determine the magnitudes of vectors v1 and v2 so that their resultant is a horizontal vector of...Problem 1.24P:

The pole AB is held up by the rope attached to B. The magnitude of the force in the rope is T=240lb....Problem 1.26P:

The velocity vector of the boat has two components: v1 is the velocity of the water, and v2 is the...Problem 1.27P:

Two members of a truss apply the forces shown to the gusset plate. If the resultant at these forces...Problem 1.28P:

Two members of a truss apply the forces shown to the gusset plate. Knowing that P = 10000 lb,...Problem 1.29P:

Determine the resultant of the position vectors A and B.Problem 1.30P:

Resolve the position vector A of the car (measured from fixed point O) into components parallel to...Problem 1.31P:

Resolve the 360-lb force into components along the cables AB and AC. Use =60 and =40.Problem 1.32P:

The supporting cables AB and AC are oriented so that the components of the 3604b force along AB and...Problem 1.33P:

The two forces shown act on the structural member AB. Determine the magnitude of P such that the...Problem 1.34P:

The resultant of the two forces has a magnitude of 800 lb. Determine the direction of the resultant...Problem 1.35P:

The forces acting on the bob of the pendulum are its weight W(w=2lb) and the tension T in the cord....Problem 1.36P:

A surveyor sights a target at C from points A and B. recording the angles shown. Determine the...Problem 1.38P:

To move the oil drum, the resultant of the three forces shown must have a magnitude of 500 N....Problem 1.39P:

The resultant of the 50-Ib and 30-lb forces is R. If R = 65 lb, determine the angles and .Problem 1.40P:

Obtain the rectangular representation of the force P, given that its magnitude is 30 lb.Problem 1.41P:

The length of the position vector r is 240 mm. Determine the rectangular components of (a) r; and...Problem 1.42P:

Determine the rectangular components of the 560-lb force. Show the components on a sketch.Problem 1.43P:

The coordinates of points A and B are (-3, 0, 2) ft and (4, 1, 7) ft, respectively. Determine (a)...Problem 1.44P:

The slider travels along the guide rod AB with the velocity v = 8 m/g. Determine the rectangular...Problem 1.45P:

Find the rectangular representation of the force F, given that its magnitude is 320 N.Problem 1.47P:

A rifle at A is fired at a target at B. If the speed of the bullet is 1400 ft/s, determine the...Problem 1.48P:

The pole OB is subjected to the 6004b force at B. Determine (a) the rectangular components of the...Problem 1.49P:

The cables AB and AC are attached to the frame OBCD and pre-tensioned to 35 kN. Determine the...Problem 1.50P:

The two forces are applied to the end of the boom OA. Determine the force F so that the resultant of...Problem 1.51P:

The magnitudes of the three forces are F1=1.6kN,F2=1.2kN and F3=1.0kN. Compute their resultant in...Problem 1.53P:

Knowing that P=90lb and that the resultant of P and Q lies in the positive x-direction, determine Q...Problem 1.54P:

If R is the resultant of the forces P and Q, find P and Q.Problem 1.56P:

The vertical post is secured by three cables. The cables are pre-tensioned so that the resultant of...Problem 1.57P:

Compute the dot product A - B for each of the following cases. Identify the units of each product....Problem 1.58P:

Compute the cross product C=AB for each of the cases given in Prob. 1.51 Identify the units of each...Problem 1.59P:

Given r=4i6j+2km (position vector) F=20i+40j30kN (force vector) =0.8j+0.6k (dimensionless unit...Problem 1.60P:

Compute AB and CB for the position vectors shown.Problem 1.61P:

Use the dot product to find the angle between the position vectors A and B. Check your results by...Problem 1.63P:

Let A and B be two nonparallel vectors that lie in a common plane S. If C=A(AB), which of the...Problem 1.64P:

Determine (a) the angle between the position vectors P and Q; and (b) a unit vector perpendicular to...Problem 1.66P:

The three points A(0,2,2),B(1,4,1), and C(3,0,0) define a plane. The coordinates are in inches. Find...Problem 1.67P:

For the position vectors P and Q shown, determine the orthogonal component of P Ă— Q in the...Problem 1.68P:

Compute the orthogonal Component of F=6i+20j12klb in the direction of the vector A=2i3j+5kft.Problem 1.69P:

Compute the value of the scalar a for which the vectors A=3i+aj+2k and B=4ijk will be perpendicular.Problem 1.70P:

Resolve A=3i+5j4k in. into two vector components-one parallel to and the other perpendicular to...Problem 1.71P:

The force F=5i+12j+4k lb is applied to the handle of the door. Determine the orthogonal component of...Problem 1.72P:

Determine the value of the scalar a if the following three vectors are to lie in the same plane:...Problem 1.73P:

Resolve the force F=20i+30j+50klb into two components-one perpendicular to plane ABC and the other...Problem 1.74P:

It can be show that a plane area may he represented by a vector A=A, where A is the area and ...# Browse All Chapters of This Textbook

Chapter 1 - Introduction To StaticsChapter 2 - Basic Operations With Force SystemsChapter 3 - Resultants Of Force SystemsChapter 4 - Coplanar Equilibrium AnalysisChapter 5 - Three-dimensional EquilibriumChapter 6 - Beams And CablesChapter 7 - Dry FrictionChapter 8 - Centroids And Distributed LoadsChapter 9 - Moments And Products Of Inertia Of AreasChapter 10 - Virtual Work And Potential Energy

### Book Details

Provide your mechanical engineering students with a solid understanding of statics without the overload of extraneous detail in Andrew Pytel and Jaan Kiusalaas' ENGINEERING MECHANICS: STATICS, 4E. The authors use their extensive teaching experience and first-hand knowledge to deliver a presentation that's ideally suited to the learning skills of today's students. The authors clearly introduce critical concepts using learning features that connect real problems and examples with the fundamentals of engineering mechanics. Students learn how to analyze problems successfully before substituting numbers into formulas. This approach benefits students tremendously as they encounter actual engineering situations that do not adhere to standard formulas. This book's rich, concise presentation is complemented by a useful Student Study Guide that clarifies concepts with additional examples and problems as well as a wealth of instructor resources to save you time.

# Sample Solutions for this Textbook

We offer sample solutions for International Edition---engineering Mechanics: Statics, 4th Edition homework problems. See examples below:

Chapter 1, Problem 1.1PChapter 1, Problem 1.48PChapter 1, Problem 1.54PChapter 1, Problem 1.56PChapter 1, Problem 1.57PChapter 1, Problem 1.58PChapter 1, Problem 1.59PChapter 1, Problem 1.64PChapter 2, Problem 2.1P

Chapter 2, Problem 2.14PChapter 2, Problem 2.49PChapter 2, Problem 2.62PChapter 2, Problem 2.67PChapter 2, Problem 2.69PChapter 2, Problem 2.74PChapter 2, Problem 2.80PChapter 2, Problem 2.91PChapter 2, Problem 2.92PChapter 3, Problem 3.1PChapter 3, Problem 3.10PChapter 3, Problem 3.13PChapter 3, Problem 3.16PChapter 3, Problem 3.30PChapter 3, Problem 3.44PChapter 3, Problem 3.67RPChapter 4, Problem 4.1PChapter 4, Problem 4.19PChapter 4, Problem 4.46PChapter 4, Problem 4.134PChapter 4, Problem 4.137PChapter 4, Problem 4.143PChapter 4, Problem 4.144PChapter 4, Problem 4.145PChapter 4, Problem 4.146PChapter 4, Problem 4.150PChapter 4, Problem 4.155PChapter 4, Problem 4.156PChapter 4, Problem 4.157PChapter 4, Problem 4.161PChapter 4, Problem 4.164PChapter 4, Problem 4.167PChapter 4, Problem 4.173RPChapter 4, Problem 4.180RPChapter 4, Problem 4.184RPChapter 5, Problem 5.1PChapter 5, Problem 5.36PChapter 5, Problem 5.46PChapter 5, Problem 5.48PChapter 5, Problem 5.49PChapter 5, Problem 5.51RPChapter 5, Problem 5.56RPChapter 6, Problem 6.1PChapter 6, Problem 6.2PChapter 6, Problem 6.3PChapter 6, Problem 6.9PChapter 6, Problem 6.13PChapter 6, Problem 6.15PChapter 6, Problem 6.31PChapter 6, Problem 6.83PChapter 6, Problem 6.89PChapter 7, Problem 7.1PChapter 7, Problem 7.2PChapter 7, Problem 7.3PChapter 7, Problem 7.4PChapter 7, Problem 7.8PChapter 7, Problem 7.10PChapter 7, Problem 7.12PChapter 7, Problem 7.14PChapter 7, Problem 7.15PChapter 7, Problem 7.24PChapter 8, Problem 8.1PGiven information: We use double integration method to find the x and y centroidal coordinates of a...Given information: The centroid of the curved surface is defined as: x¯=Q yzA= ∫ A x dA ∫ A dAy¯=Q...Given information: The centroidal points of the curve connecting point are defined as: x¯=Q yzA= ∫ A...Chapter 8, Problem 8.63PGiven information: The centroid of the volume is defined as: x¯=Q yzV= ∫ V x dV ∫ V dVy¯=Q xzV= ∫ V...Given information: The centroid of the surface is defined as: x¯=Q yzA= ∫ A x dA ∫ A dAy¯=Q xzA= ∫ A...Given information: The centroid of the surface is defined as: x¯=Q yzA= ∫ A x dA ∫ A dAy¯=Q xzA= ∫ A...Chapter 8, Problem 8.92PChapter 8, Problem 8.105PChapter 8, Problem 8.118PChapter 8, Problem 8.124RPChapter 8, Problem 8.127RPGiven Information: The pressure acting on the rectangular plate varies as, p=p0xacosπy2b where p0 is...Given information: The specific weight of plate is 0.284 lb/in3. The weight of plate is defined as:...Chapter 9, Problem 9.1PChapter 9, Problem 9.17PGiven information: The region: Calculations: Find the centroid first. From Table 8.1:...Given information: The semicircular region: Calculations: Because to symmetry, the x- and y- axes...Chapter 9, Problem 9.65PGiven information: The shaded region: The principal moments of inertia at point O for the shaded...Given information: The inertial properties of L150×100×10−mm : x¯=23.8 mm, y¯=48.8 mm, A=2400...Chapter 9, Problem 9.90RPChapter 9, Problem 9.92RPChapter 9, Problem 9.93RPChapter 10, Problem 10.1PChapter 10, Problem 10.19PGiven: The mass of each uniform bar is 18 kg/m. Concept used: Apply the Principle of virtual work by...Given: For equilibrium the value of θ is 25°. The value of force Q is 200 N. Concept used: To...Chapter 10, Problem 10.60PGiven information: Load W=kL10. A diagram with all required dimensions has been given. Calculation:...Chapter 10, Problem 10.62P

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