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3. Two blocks, masses m₁ and m2, on a horizontal, frictionless surface are being pulled by a massless, unstretchable rope that goes over a frictionless pulley and is connected to a block of mass m3. Assumer two blocks move together. The coefficient of friction between block 1 and block 2 is . Find the force that block 2 exerts on block 1. 2 [ Free Body Diagrams and Law or Definitio. 3

Consider Figure 5.28. The driver attempts to get thecar out of the mud by exerting a perpendicular force of610.0 N, and the distance she pushes in the middle of therope is 1.00 m while she stands 6.00 m away from the caron the left and 6.00 m away from the tree on the right.What is the tension T in the rope, and how do you find theanswer?

A dictionary is pulled to the right at constant velocity by a 10 N force acting 30° upward above the horizontal. The coefficient of kinetic friction between the book and the horizontal surface is 0.5. What is the weight of the book?

Can someone please help me to solve the following question showing all needed work and formulas along with needed diagrams. Please and thank you!

A heavy cask (full of wine!) sits on an inclined plane. It is held in place by a rope that is attached to the cask and to a hook further up the inclined plane (at A). The rope comes off of the cask tangent to the cask. The mass of the cask is 40 kg, and the coefficient of static friction between the inclined plane and the cask is 0.25. What is the maximum value of 0 just before the cask begins to slip? Also, what is the tension in the rope when slipping is impending? Finally, if the inclined plane became icy, and the rope didn't break as the cask slipped, what would be remarkable about the lines of action of the W, N and T force vectors once equilibrium was re-established? 0.70 m 40

point B. Problem 4.9 Figure 4.56 illustrates a person who is trying to pull a block on a horizontal surface using a rope. The rope makes an angle 0 with the horizontal. If W is the weight of the block and u is the coefficient of maximum Answer: T Determ force at pe friction between the bottom surface of the block and horizontal surface, show that the magnitude P of minimum force the person must apply in order to overcome the frictional and gravitational effects (to start moving the block) is P 3= cos e+ u sin 0 Fig. 4.58 Probl Fig. 4.56 Problem 4.9 Problem 4. 12 beam hinged to is / 4.5 m and Type here to search

Consider the 52.0-kg mountain climber shown. (a) Find the tension in the rope? (b) the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted parallel to her legs. Also, assume negligible force exerted by her arms. (c) What is the minimum coefficient of friction between her shoes and the cliff? Draw the free body diagram and solve the problem. (Non-anonymous question O) LO

Assume that there are no frictional forces between the pulleys and the strings, and the strings are mass-less. The frictional coefficient between the1 kg and 2 kg is 0.05, the frictional coefficient between the 2 kg and 5 kg is 0.1, and the frictional coefficient between the 5 kg and the table is 0.2. (a) Draw free-body diagrams for each mass? (b) Calculate the magnitudes of normal forces and frictional forces?(c) If we release 4 kg and 3 kg from rest what are the accelerations of each mass? (System has two different accelerations)(d) Calculate the tensions in each string?

2 Your answer is partially correct. Try again. In the figure, a slab of mass m, = 40 kg rests on a frictionless floor, and a block of mass m, = 9 kg rests on top of the slab. Between block and slab, the coefficient of static friction is 0.60, and the coefficient of kinetic friction is 0.40. A horizontal force F of magnitude 102 N begins to pull directly on the block, as shown. In unit-vector notation, what are the resulting accelerations of (a) the block and (b) the slab? u = 0- (a) Number T-7.4 -7.4 Units m/s^2 (b) Number i+ Units m/s^2 -0.88 Click if you would like to Show Work for this question: Open Show Work SHOW HINT LINK TO TEXT LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLEM VIDEO MINI-LECTURE 10:50 PM search ENG 4/4/2021 ond 111Pgup) pri sc DOUSE insert dele home break 13) 23 bac 3 5. 4 R.

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Situation 2: Find the minimum force P required to just pull out box B. Also, find the tension of the cord supporting box A. Take note that the coefficient of friction between the blocks is 0.10. While between block B and the ground, u = 0.25. 350 N B 70N A. Magnitude of P (N) B. Tension on the cable (N)

The Figure Q2 shows a ball and block with masses M1=10kg and M2, respectively. The block and ball are connected with a cable and pulley system. The coefficient of static friction for all contacting surface is 0.3. i) Determine the range of the mass of block so that the system is in M1 = 10 Kg equilibrium. ii) Determine the tension in the cable. M2 Hs= 0.3 Comment on your answer at question 2(i). 75%

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Required information A photograph of the NASA Apollo 16 Lunar Module (abbreviated by NASA as the LM) is shown on the surface of the Moon. Such spacecraft made six Moon landings during 1969 - 72. A simplified model for one of the four landing gear assemblies of the LM is shown. Assume the weight of the LM is uniformly supported by all four landing gear assemblies, and neglect friction between the landing gear and the surface of the Moon. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A (2.5, 2.5, -2.2) m B (1.5, 1.5,0) m C(2, 1,-1.2) m D(1,2,-1.2) m Z B D If the LM has 14950 kg mass and rests on the surface of the Moon where acceleration due to gravity is 1.62 m/s2, determine the forces supported by members AB, AC, and AD. (Round the final answers to four decimal places. Include a minus sign if necessary.) The forces supported by members AB, AC, and AD are as follows: TAB 10621 N TAC= 2903 N TAD 6032 N

Dani, who weighs 65 kg, is lifting a box that weighs 11.52 kg. If Dani's back forms an angle of 70 degrees with the horizontal plane and the distance from the object to the center of Dani's body is 0.6 m, then answer the following questions. a. Create a free body diagram of the above condition and apply the sign convention for forces and moments. b. Calculate the magnitude of the compression force (F compression) and shear force (F shear) generated. c. Analyze whether the work is safe to perform.

Consider the system shown below. The incline plane is fixed and the coefficient kinetic friction between M and 2M is ?1, and coefficient kinetic friction between the plane and 2M is ?2. Let M=2.0kg, ?=22o, ?1=0.14, and ?2=0.25. (a) What is the magnitude of the frictional force on mass M? (b) What is the magnitude of the total frictional force on mass 2M? (c) What is the acceleration of mass M? (d) What is the acceleration of mass 2M?

This is an example diagram of Atwood’s Machine. This machine works by hanging two masses on a pulley, with each mass being acted upon by gravity. Since the masses are on opposite sides of the pulley, their weights oppose each other, and the net acceleration is less than g. To see this, please draw in all of the relevant forces in the diagram below. Be sure to indicate which direction friction in the pulley is acting. Assume m1 > m2.

2.0 kg push 45° Problem 4: (a) The 2 kg wood box in the Figure above on the left slides up a vertical wood wall while you push on it at a 45° angle. The coefficient of kinetic friction for wood on wood is Hk = 0.2. What magnitude force Fpush should you apply to cause the box to slide up at a constant speed? Recall that constant speed means a = 0 m/sec?. Answer: 34.6 N. (b) Let's re-do part (a), but with the box now sliding down the vertical wood wall while you push on it at a 45° angle. Hk is still Hk = 0.2. What magnitude force Fpush should you apply to cause the box to slide down at a constant speed? Recall that constant speed means a = 0 m/sec?. Answer: 23.1 N. Problem 5: The Figure shows two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley (also of negligible mass). The arrangement is known as Atwood's machine. One block has mass mi = 1.3 kg; the other has mass m2 = 2.8 kg. What are: (a) The magnitude of the blocks' acceleration. Answer: 3.6…

Q3. Two blocks, A and B, are connected using the cable and pulley system as shown in image below. 60° 30° There is friction between block A and the inclined surface, as well as between block B and the inclined surface. (The cable and pulley system is friction-less and weight-less.) (1) If block B is moving up the incline, on paper, sketch the FBDs for block A and block B separately. In the answer area below, simply enter: "see notes."

While digging a small hole prior to planting a tree, a homeowner encounters rocks. If he exerts a horizontal 269-N force on the prybar as shown, what is the horizontal force exerted on rock C? Note that a small ledge on rock C supports a vertical force reaction there. Neglect friction at B. Complete solutions (a) including and (b) excluding the weight of the 15-kg prybar. 269 N A 1260 mm 20 B 230 mm Answers: (a) Including weight, Fc= i N (a) Excluding weight, Fc= i N