a garage door 20 ft long and 10 ft high weighs 90 lbs. the hinges are 2 ft from the upper and lower sides respectively and the upper hinge carries the entire weighs of the door. find the reaction of the upper hinge.

Q: 390 lb 800 lb - ft 13, 12 A 5. 3 ft 8 ft 30 -4 ft • Find the support reactions at A and B • Hint:…

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Q: An object weighing 51kg is suspended from two ropes that are attached to the ceiling 1.5m apart. The…

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Q: 900 lb 600 lb 4 ft +4ft 4 ft 3 ft B If the truss shown above is in static equilibrium as loaded,…

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Q: Find the external reactions. x Z A 6 ft F = 80 lb C 1.5 ft B 1.5 ft

A: Dear student,                      According to the guidelines, I am allowed to answer only one…

Q: Assume the image below is your arm and you are lifting a 15 lb weight. your arm is now at a…

A: Part (a) Write the given value using suitable variables. Here M signifies ball mass, 0 signifies…

Q: 3.12 The structure consists of two identical bars joined by a pin at B. Neglecting the weights of…

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Q: Boom AD is supported by a ball & socket at D, and two ropes (AB and AC). B, C and D lie in the yz…

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Q: Determine the reaction forces at supports A and B 10 feet A 1500 lb 10 feet 3000 lb 1500 lb 10 feet…

A: Determine the reaction forces at support A and B.

Q: 2. In Figure 2, the wicket dam is used to hold water up to 5 m high and the dam is 3 m wide and is…

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Q: Consider the 100-cm board supporting three loads as shown below. The beam weighs 35 grams. If the…

A: Given data: -  The mass at point D is mD = 65 g. The mass at point B is mB = 10 g. The mass at…

Q: 300 lb./ft. 9 ft. 600 lb./ft. 5 ft. 200 lb./ft. B 7 ft. 1000 lb.

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Q: 2kN/m D 4kN 4m 4m C 4m 4m 3m

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Q: s lowest point to the ground. Choices: 150m ,153m , 148m , 145

A: length = 300m   weight = 600kf   tension = 4ookg , 450kg

Q: The top of the circular table shown to the side is 1.2 meters in diameter and weighs 26 kg. If a 90…

A: Solution: Given Data: D=1.2 mm=26 kgM=90 kg   To Find: The diameter of the circular base of the…

Q: The cables shown in the figure are used to support a 40-lb crate. Determine the reaction of cable…

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Q: The square plate shown in Figure 4 is pinned at point O and is supported by a block at point of.…

A: Given:   Mass of the square plate, m=100 kg

Q: 3000 i.5 ft D.

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Q: 1. The boom of the wall crane 4m long is held at right angles to the wall by a wire that is attached…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Two men are carrying on their shoulders a 500-N load suspended from a piece of bamboo 3 m long with…

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Q: A wooden plank with a mass of 50.968 kg is supported by two cables at its ends. At what location…

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Q: In the structure below, member AB is attached to the wall with a fixed support at A and is attached…

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Q: A 292-lb box is held at rest on a smooth surface (9 = 15°) inclined by a force, 'P' making an angle…

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Q: 3. Two people carry a heavy electric motor by placing it on a light board 2.00 m in length. One…

A: The schematic diagram for the board is By considering the vertical forces mg=700+500W=1200 N…

Q: Find the reactions at the supports for the beam that weighs 10 kN shown below. The length of the…

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Q: A 2.0 long bar is being used as a first-class leaver. It has a load of 720 N placed on one end…

A: Given data: The length of the bar is l=2 m. The load acting on the body is FC=720 N

Q: A uniform plank 8 ft long is balanced on a corner If using a horizontal force of 75 lb as shown in…

A: Let's draw free body diagram of 'AB' as shown in figure. Here, W=45 lb

Q: 4 3 ft 3 (1 -2 ft 2 ft 300 lb

A: So there is a truss given in the question with knife-edge support at end 3 and roller support at end…

Q: abeling all of the physical quantities given in the problem. Identify your system in the sketch.…

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Q: If the mass of cylinder A is 40 kg. determine the mass of cylinder C in order to hold the assembly…

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Q: A 6.00-kg horizontal beam support- he beam and is supported at the corners the cable and the (b)…

A: given:mass of bar beam=6kgmass of sign =12kgθ=25

Q: C SB Хв B

A: Givenl=42mm=50kgs=8m

Q: 20 kN 20 kN 3 m B 3 m 60 kN 4 m Determine the force and nature in the member JD. JD = Blank 1 kN…

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Q: Three hydraulic cylinders control the motion of the backhoe arm and bucket in the given figure. In…

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Q: A 50 kg truck engine is lif Assuming that the pulleys must be applied to the cable to shown with d=…

A: “Since you have posted multiple questions, we will provide the solutiononly to the first question as…

Q: A shaft of mass 5•097 t is lifted by two chains from a crane hook. The length of each chain is 4 m…

A: Step 1:

Q: Examples 5 Determine the reactions at the supports. 600 N/m 900 N/m In your hand

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Q: The unstretched length of spring AB is 2 m. If the block is held in the equilibrium position shown,…

A: Solution : Given data : unstretched length of spring AB is 2 m.

Q: Q2. The 80-lb block C rests on the uniform 15-1b bar AB. The cable connecting C to B passes over a…

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Q: A 142-lb box is held at rest on a smooth surface (p = 3°) inclined by a force, 'P' making an angle…

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Q: A rod 8 meters long and weighing 200 N is circular from the left end of the wall. It is fixed to…

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Q: You are playing basketball with some friends at the park when Nate Robinson, the 180 Ib(f) former…

A: Given data, Weight WN = 180 lbf = 800.68 N Weight of the post ABCD, WC = 400 N Weight of the…

Q: A pole is supported by a wire which exerts a pull of 200 lb on top of the pole. If the angle between…

A: Horizontal component,FH=200Sin(50°)=153.21lb Vertical component,Fv=200Cos(50°)=128.56lb

Q: A uniform ladder 10m long and weighing 35ON rests against a smooth wall at an angle of 30° with the…

A: W=350 NWman=700 Nθ=30°

Q: A ball which is resting on the floor, will have one reaction perpendicular to the direction of self…

A: Given data A ball which is resting on the floor, will have one reaction perpendicular to the…