A uniform cable hanging over the edge of a tall building is 40 feet long and weighs 60 pounds. How much work is required to pull 10 feet of the cable to the top?

Q: Ed, Edd, and Eddy love to play on a seesaw. It consists of a 1-kg board with a length of 8 meters.…

A: Given: The weight of m=1 kg. The length of the board l=8 m. The mass of Ed m1=55 kg. The mass of Edd…

Q: The 77.0 kg painter in the figure below is using a large stepladder. The base of the ladder is 3.0 m…

A: In this question we are given that the 77.0 kg painter in the figure below is using a large…

Q: A rope pulley system with 3 pulleys in the top and 2 in the bottom is required to lift a load. If…

A: Calculate the useful effort.

Q: A neighbor’s child wants to go to neighborhood carnival to experience the wild rides.  The neighbor…

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Q: A 60lb child and a 150lb adult are each holding 30lb weights and balancing on a seesaw. (a) If the…

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Q: An athlete strengthens her leg and knee by doing "leg curls." While sitting on a bench with the leg…

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Q: A 40-kg door with a height of 2.0 m and a width of 0.80 m is hinged at the end of the door along its…

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Q: ladder

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Q: eint A at which an additional weight 2w (bwice the weight of th

A: Given,L = 4.50 mθ = 30°μs = 0.520weight of the beam, Wweight of the object, 2W

Q: When using a ladder, it is important to place it against a wall at a safe angle. A ladder could tip…

A: For safe angle, the ratio of working length to distance away from wall = 4:1 To find; Value of safe…

Q: A farmer is trying to bring down a couple of bags of cattle feed (mass 70kg) from the 2nd floor…

A: According to the law of conservation of energy, the expression can be written as…

Q: On a 5-meter-long seesaw, the father and son are sitting. If the 30kg son sits at one end, the 50kg…

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Q: In the figure shown below, the weight (W) is 1,745N. What is the magnitude of the tension in the…

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Q: As shown in the figure below, a uniform beam is supported by a cable at one end and the force of…

A: Given Data: Angle (θ) = 30o.Length (L) = 2.75 m.Coefficient of static friction μs = 0.460. To…

Q: When a 58.5 kg athlete stands on top of a spring instrument, the spring shortens by 3.91 cm. What is…

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Q: A 80.09 kg man walks up 12 stairs, each of which is 12.67 cm high, in 2.083 s.  Assuming he can…

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Q: A 20kg cat hangs from one end of a 6-meter board. If the fulcrum is located at the center of the…

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Q: A 10m beam of mass of 300 kg extends over a ledge. The beam is not  held down but simply rest on the…

A: Length of beam, L = 10 m  Mass of beam , M = 300 kg  Mas of student, m = 60 kg

Q: A plank is 3.5 meters supported by a pivot point at the center. Child A (m = 40kg) is located 1…

A: Take the pivot point as the origin. The masses of the children are  mA=40 kgmB=30 kgmC=50 kg The…

Q: If a pivot point of a scale is located one quarter the length of the scale with 50.0 kg rest on the…

A: Given Let the length of the scale be L  mass on short side m = 50 kg

Q: A 0.551 kg cat sits at the end of a 16.9 kg, 10.7 m long beam. An accident occurs and the support…

A: Basic concept of physics.

Q: A wooden plank (3 m long) is supported at each end by two support beams. The plank has a mass of 55…

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Q: X 1m 25 kg 60° 6 m a uniform rod of length(1)=6m and mass(m)=66.2kg is connected by a hinge to a…

A: a) Draw the free-body diagram of the rod.

Q: Below a beam of the length L is in equilibrium and is attached to a cable which is putting it…

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Q: A farmer is trying to bring down a couple of bags of cattle feed (mass 70kg) from the 2nd floor…

A: Given that,Radius of the disc pulley : (r) = 0.75 (m)Mass of the disc pulley : (m) = 4…

Q: A force stretches a wire by 4.0 mm. A fourth wire of the same material has the same length and twice…

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Q: Ed, Edd and Eddy love to play on a seesaw. It consists of a 1-kg board with a length of 8 meters.…

A: The length l=8m  To find the magnitude of the reaction force

Q: of a Y-stick and a light leather cup containing a stone. The cup is pulled back against two parallel…

A: GivenF=15 Nx=-1.0 cm=-0.01 m

Q: 4. A 20 m long uniform bridE ends. An 800kg block is locat apply to the bridge. (F1 and F

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Q: A ladder with a length of 5.0 m and a weight of 650 N is placed so its base is on the ground 4.0 m…

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Q: Which shoulder flexion to 90 deg is the easiest to perform in sitting position with the elbow…

A: We have to find Which shoulder flexion to 90 deg is the easiest to perform in sitting position with…

Q: A 96.76 kg man walks up 12 stairs, each of which is 18.77 cm high, in 2.62 s.  Assuming he can…

A: Given that:- Mass of man=96.76kg

Q: Two women lift an elephant 777kg weight with a crowbar when the fulcrum for this lever is 0.18m from…

A: Solution:-Given thatCase-1; Case-2; where g=9.81 m/s2

Q: A uniform rod AB of weight 500 N and length 4.0 m is supported at two points P and Q as shown below.…

A: Weight of rod, w, AB=500 N Length of the rod, AB= 4 m AP=QB=0.8 m Weight of man, wm=800 N

Q: A combination work of art/musical instrument is illustrated. (Figure 1) Six pieces of identical…

A: PART (A) The fundamental wavelength is proportional to the length of the wire wavelength,λ=2L So…

Q: When a body is brought down from a height H1 to height H2, the Potential Energy of the body…

A: Potential energy is defined as energy possessed by a body due to its position in this surrounding.…

Q: A worker is using a 4.0 m long steel bar as a lever to raise one side of a car off the road. The…

A: Solution: Given: L = length of lever = 4.0 m r1 = length of load arm = 0.40 m r2 = length of effort…