We can consider statics as a special case of dynamics, in which the acceleration is zero; however, statics deserves separate treatment in engineering education since many objects are designed with the intention that they remain in equilibrium. Do you like this book?
Please share with your friends, let's read it!! Search Ebook here:. Assume the 10 ft block will not tip. The kg man tries to lower the kg crate using a rope that passes over the rough peg. Determine the maximum number of lb packages 0. Wheel B is free to rotate. The conveyor belt is pre-tensioned with the lb horizontal force. Using the coefficients of static friction indicated, determine the largest vertical force P which can D be applied to the cord without causing motion.
Blocks A and B have a mass of kg and kg, E respectively. If the mass of the suspended cylinder D is 4 kg, determine the frictional force acting on A and 3 5 check if motion occurs. The coefficient of static friction 4 0. If the spring exerts a force of lb on the block, M determine the torque M required to rotate the shaft. The disk clutch is used in standard transmissions A B of automobiles.
The coefficient of static friction between A and B is 5 in. Fs 2 in. Because of wearing at the edges, the pivot bearing P is subjected to a conical pressure distribution at its surface of contact. Determine the torque M required to overcome M friction and turn the shaft, which supports an axial force P.
The coefficient of static friction is ms. For the solution, it is necessary to determine the peak pressure p0 in terms of P and the bearing radius R.
The pivot bearing is subjected to a parabolic P pressure distribution at its surface of contact. If the coefficient of static friction is ms, determine the torque M M required to overcome friction and turn the shaft if it supports an axial force P. The shaft is subjected to an axial force P. If the P reactive pressure on the conical bearing is uniform, determine the torque M that is just sufficient to rotate the shaft.
The coefficient of static friction at the contacting M surface is ms. The tractor is used to push the lb pipe. To do 15 in. Also, determine the peak pressure p0. The conical bearing is subjected to a constant P pressure distribution at its surface of contact. If the coefficient of static friction is ms, determine the torque M M required to overcome friction if the shaft supports an axial force P.
For the solution, it is necessary to determine p0 in terms of P and the bearing dimensions R1 and R2. The shaft of radius r fits loosely on the journal P bearing. If the shaft transmits a vertical force P to the bearing and the coefficient of kinetic friction between the shaft and the bearing is mk, determine the torque M r M required to turn the shaft with constant velocity. The pulley is supported by a mm-diameter pin.
If the pulley fits loosely on the pin, determine the smallest force P required to raise the bucket. If the pulley fits loosely on the pin, determine the largest force P that can be applied to the rope and yet lower the 75 mm bucket.
The cylinders are suspended from the end of the mm mm bar which fits loosely into a mm-diameter pin. If A has a mass of 10 kg, determine the required mass of B which is just sufficient to keep the bar from rotating clockwise. Neglect the mass of the bar. If A has a mass of 10 kg, determine the required mass of B which is just sufficient to keep the bar from rotating counterclockwise.
A B 8— The connecting rod is attached to the piston by a 0. The connecting rod is attached to the piston by a mm-diameter pin at B and to the crank shaft by a mm-diameter bearing A. The 5-kg pulley has a diameter of mm and the axle has a diameter of 40 mm. Solve Prob. The bell crank fits loosely into a 0.
Determine the required force P which is just sufficient to rotate the bell crank clockwise. The coefficient of static 50 lb 12 in. Determine the coefficient of 50 lb 12 in. The wagon together with the load weighs lb. The lawn roller has a mass of 80 kg. Neglect friction developed at the axle, A, and assume that the resultant force P acting on the handle is applied along arm BA. Determine the force P required to overcome P rolling resistance and pull the kg roller up the inclined plane with constant velocity.
Determine the force P required to overcome P rolling resistance and support the kg roller if it rolls down the inclined plane with constant velocity. The cylinder is subjected to a load that has a W weight W. Neglect the weight of the cylinder. The 1. Determine the horizontal force P needed to push the beam forward at a constant speed. Hint: Use the result of Prob. Determine the smallest horizontal force P that must be exerted on the lb block to move it forward.
A single force P is applied to the handle of the 1. The semicircular thin hoop of weight W and center of gravity at G is suspended by the small peg at A. Analytical Statics. Thoroughly Revised by W. In Crown 8vo , Cloth. Author : Russell C. A Proven Approach to Conceptual Understanding and Problem-solving Skills Engineering Mechanics: Statics excels in providing a clear and thorough presentation of the theory and application of engineering mechanics.
Engineering Mechanics empowers students to succeed by drawing upon Professor Hibbeler's everyday classroom experience and his knowledge of how students learn. The Fourteenth Edition includes new Preliminary Problems, which are intended to help students develop conceptual understanding and build problem-solving skills. The text features a large variety of problems from a broad range of engineering disciplines, stressing practical, realistic situations encountered in professional practice, and having varying levels of difficulty.
Also Available with MasteringEngineering -- an online homework, tutorial, and assessment program designed to work with this text to engage students and improve results. Interactive, self-paced tutorials provide individualized coaching to help students stay on track. With a wide range of activities available, students can actively learn, understand, and retain even the most difficult concepts. The text and MasteringEngineering work together to guide students through engineering concepts with a multi-step approach to problems.
Author : R. Used or rental books If you rent or purchase a used book with an access code, the access code may have been redeemed previously and you may have to purchase a new access code. Access codes Access codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code.
Check with the seller prior to purchase. Please share with your friends, let's read it!! Search Ebook here:. Book Preface The main purpose of this book is to provide the student with a clear and thorough presentation of the theory and application of engineering mechanics. New Features Funda mental Problems. Designed by readallbooks. Download here Download Now here.
0コメント