In Fig.box A weighs 10 lb while box Bweighs 20 lb. The coefficient of friction between box A andthe inclined surface is 0.45; between box B and the hori-zontal surface, 0.5. The pullevs are all frictionless. Deter-mine the maximum weight of box C such that no motionwill occur. Which motion would occur first?2.0ft20 lb3.0 ft1.9 ft1.5ft10 b2.0 t

Given that, Assumption: Pulley is frictionless

Answered: In Fig. box A weighs 10 lb while box B…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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If a piece of block weighing 150 kg is to be pulled up by a winch using two cables on a 25 deg inclined plane, find the least force each cable will be subjected to set the block in motion. Assume the coefficient of friction to be 0.25.
Three identical blocks are placed on top of each other on a horizontal plane. Each block has a weight of 110 lb and the coefficient of friction between all surfaces is 0.25. If the upper most block is prevented from moving by a horizontal cable to a vertical wall, find the horizontal force that must be applied at the middle block without causing motion to impend. Pls show full solution with figures.
A block with a mass of 100 kg (left-block) is connected to another block of mass M (right-block) by a cable that passes over a fixed drum as shown below. The coefficient of static friction between the left-block and the floor is 0.45, between the right-block and floor is 0.4, and between the cable and the fixed drum is 0.25. Ignore tipping (overturning). Determine the minimum mass of the left-block for which motion does not occur.
Need help please round answers to 3 sig figs. Thanks
Question 4 If the coefficient of friction between surfaces is 0.47, calculate the smallest force P required to keep the block from falling down .
With clear concise answer. Round off to 4 decimals thank u. (15ft) Shown in illustration
Drew is pushing a 12.0-kg box on a floor until he runs into a horizontal spring. The values of force for a few different values of horizontal position x are (x, F): (-2, 10), (-1, 10), (0, 10), (1, 15), (2, 20), (3, 25), (4, 30). a. What is the coefficient of friction? b. What is the work done by Drew's pushing force from x = 0 m to x = 7 m, where x = 0 m corresponds to the initial contact with the spring? c. What fraction of this work goes into heat?
Question 1 Find the largest weight W that the man can lift at constant motion and sustain assuming that all the pulleys are frictionless. The man has the mass of 80 kg and coefficient of static friction between his feet and the ground is µs = 0.6. B C A
2. The coefficient of static friction between all contacting surfaces is μ = 0.4. The weight of each box is the same, W, and the center of gravity of each box is at its geometric center. a) Determine the minimum horizontal force P needed for the top box to be on the verge of sliding across the top of the lower box (be sure to provide a free body diagram). Is this situation physically possible? b) Determine the minimum horizontal force P needed for both boxes to tip together (be sure to provide a free body diagram). Is this situation physically possible? c) Based on your solutions to parts 'a' and 'b' (no new analysis required), if the magnitude of P is slowly increased from a value of zero, which of these two situations will be realized? 1 m 1 m 0.5 m- [ 1.5 m
Draw the Free Body Diagram for all the solutions require to answer the given questions.
Need only a handwritten solution only (not a typed one).
Calculate the horizontal force Pon the light 11° wedge necessary to initiate movement of the 36-kg cylinder. The coefficient of static friction for both pairs of contacting surfaces is 0.40. Also determine the friction force Fg at point B. (Caution: Check carefully your assumption of where slipping occurs.) 36 kg A B P > 119 Answers: P = 108 N FB = i 27.1 N

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