4.142 The walkway ABC of the footbridge is stiffened by adding the cable ADC and the short post of length L. If the tension in the cable is not to exceed 420 lb, what is the smallest value of L for which the 160-lb person can be supported at B? 160 lb Figure P4.142

Q: 11. A 50.0 [N] box is moving on a rough slide with coefficient of kinetic friction Hk = 0.815…

A:

Q: resting on a ramp. If the coefficient of static friction between the block and the ramp is 0.370,…

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Q: A block resting on a plane inclined at an angle e 32° from the horizontal is being held in place by…

A: Solution:-Given thatTension in cable b (Tb)=80 Nθ=32°

Q: 02 T3 M

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Q: 15 in. The required tension in cable AB is 200 lb. (Note: Point C is a pin joint.) D Draw a free…

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Q: The cable supporting a 30 kg box has a maximum strength of 294 N. What maximum downward acceleration…

A: Given: mass of box, m=30 kg Maximum strength, F=294 N

Q: 8. Consider the 67.0 kg mountain climber. (a) Find the tension in the rope. (b) Find the force that…

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Q: By how much does a 65.0 - kg mountain climber stretch her 0.800 cm diameter nylon rope when she…

A: Given that,Young's Modulus of nylon, Y= 1.35×109 PaLength of nylon rope, L0= 35.0 mDiameter of the…

Q: 300 mm H.W Blocks A and B have a mass of 7 kg and 10 kg, respectively. Using the coefficients of…

A:

Q: 2. A 2 kg box is suspended in the air. Attached to each corner of the box is a rope. All 4 ropes are…

A: SOlution: Given that m = 2 kg 4 corners are tied with equal length rope and suspended from a point

Q: A 250 g container hangs at rest from two strings. The rope under tension T2 is directed at an angle…

A:

Q: 1. A 30 kg rests on a horizontal surface. What is the minimum horizontal force that is required to…

A: Since we only answer up to  1 question, we’ll answer the 1st question only. Please resubmit the…

Q: Stud A vertically downward load on 600 N is applied at A as shown. Determine the magnitude of…

A:

Q: 6. A gymnast with a mass of 85 kg is training by doing pull ups using two ropes attached to opposite…

A: Q6. Given that Mass of gymnast m = 85 kg Angle made by two ropes from horizontal θ = 18°( below the…

Q: 8. A 152 kg box is pulled by a person with 258 N force at angle of 15.0° across a level floor at a…

A: Given, mass of the block, m = 152 kgforce by the person, F = 258 Nforce is applied at an angle of, θ…

Q: A sign hangs at the end of a 3.0 m pole of mass 12 kg. The support wire makes an angle of 37° with…

A:

Q: A cable weighing 4 kg/m is supported at the ends by two towers of the same height 100m apart. a.…

A: Given, Towers height is 100 m and cable weighs 4 kg/m

Q: 10. An airplane is traveling at 170 m/s and performs a vertical loop in 28.0 s. Determine the force…

A: We are given an airplane moving with constant speed in vertical circle. We are given time period of…

Q: The center of mass of the arm shown in the figure is at point A. Find the magnitudes (in N) of the…

A:

Q: 7. A 5.50 kg block is pressed against a vertical wall by a force (F), as shown in the figure below.…

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Q: 3. A 1200 Ibs force acts as shown on a 500 Ibs block placed on a horizontal plane surface. Determine…

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Q: 01. If cable CB is subjected to a tension that is twice that of cable CA, determine the angle 8 for…

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Q: The man is supporting his weight with friction. He's pressing into the rock walls with his feet and…

A: The upward friction force is μN on both feet and back. This force must equal the weight of person.…

Q: Determine the tension in Cable OC. b 6280 lb d 195 lb a 1910 lb c 6.06 lb

A: Given that: The position coordinate of point O (0,0,0) Position coordinate of C (-3,-4,12) ft

Q: Two masses m1=10 Kg and m2-13 Kg are connected with string and pulled with a force F=22 N that makes…

A: Two masses m=10 Kg and m2=13 Kg are connected with string and pulled with a force F-22 N that makes…

Q: 4. A 120 kg scaffold is 5.60 m long. It is hanging with two wires, one from each end. A 460 kg box…

A:

Q: 3. a. You put this large blow up Halloween decoration in your yard. The wind is blowing it to the…

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Q: B 3,000 N 2 m 1,200 N 2,800 N 2m /- 3 m 3 m 3 m The force (N) of member DE is most nearly: A 3.950…

A:

Q: 8. A 50 kg object experience a force Fi = (2.3 i – 8.2 j+3.1k) N F = (9.2 i+ 3.8 j+1.6 k) N and F3 =…

A: From the question it is given that:  Mass of object: m = 50 kg F1 = 2.3 i -8.2 j + 3.1 k NF2 = 9.2 i…

Q: The horizontal force F pulls a heavy suspended mass to the side. In static equilibrium, the angle is…

A: Given data:  Mass (m) = 74.70 kg Angle (θ) = 33.60° Required: The horizontal force F

Q: 2. A large wrecking ball is held in place by two light steel cables. If the mass m of the wrecking…

A:

Q: The system shown aside is in equilibrium, Find the tension T in (Newton). Consider T1 = 48 N 53° а.…

A: Under equilibrium state   in y-axis T*cos(90-53) = mg   in x-axis T1=T*sin(90-53)

Q: Determine the minimum value of weight W which may be applied without causing the 50-lb block to…

A: Draw the free-body diagram of the block.   Draw the free-body diagram of the drum. Draw the…

Q: The tube, shown below, is supported by two cables (AB) and (AC). A force F = 600 lb is applied in…

A:

Q: A box ( m=8.79 kg) is placed on a horizontal surface with µg=0.2. If a force of 6.9 N is pushing the…

A: Given, mass m=8.79 kg coefficient of static friction μs=0.2 F=6.9 N

Q: A box on a 15-degree incline weighs 350N. Given that the system is in static equilibrium and us =…

A:

Q: Suppose you have a 120-kg wooden crate resting on a wood floor. (a) What maximum force can you exert…

A: Recall Fs=μsNFk=μkN