The leg and cast in Figure P4.20 weigh 220 N (w1). Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus the cast.

Q: The figure below shows three blue-and-gold macaws (Ara ararauna) which are members of the large…

A: Mass of the macaws m1=0.8 kg m2=0.95 kg m3=1.2 kg Weight of the branch (W)=46 N θ1=25o  θ2=47.5o…

Q: 50.0⁰ Q2. An 8 m long ladder of weight 350 N leans against a smooth wall. "Smooth" means that the…

A: For equilibrium net force and net torque acting on the system must be zero.

Q: What is the tension acting vertically in an Achilles tendon of a heel, for a person standing still…

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Q: A 2.0-m-long rod has a density in kilograms per meter A= a + bx,where a = 1.0 kg/m, b = 1.0 kg/m2,…

A: Length of road l = 2 m λ=a+bx a = 1 Kg/m b= 1 kg/m2   First we calculate the mass of the road is…

Q: A person is pushing a wheelbarrow along a ramp that makes an angle a = 39.0° with the horizontal.…

A: Given:angle of inclination, α = 39.0omass of loaded wheelbarrow, m = 29.85 kgnet force, F is only in…

Q: The base of an automobile jackstand forms an equilateral triangle of side length 12 in. and is…

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Q: 1 150-N uniform boom at p = 69.5° to the vertical is supported by a cable at an angle 0 = 20.5° to…

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Q: A 1.50×103 kg car, whose front is facing to the right (towards +x-axis) and whose engine is turned…

A: Given that: mass, m=1.50×103 NThe angle, θ=30                     α=27The acceleration, a=3 m/s2…

Q: Find the angle necessary to balance the following 2 masses in a plane. The first mass is 0.17 kg at…

A: First mass: The position of the first mass: The angle of the first mass: Second mass: The position…

Q: Identify the correct reaction force value at A for a simply supported beam AB of length 5 m in the…

A: Given  F1=20N Length AB=5m BC=3m AC=2m θ=300 Reaction force at B RB=4N

Q: A 2.0-m-long rod has a density in kilograms per meter A = a + bx , where a = 1.0 kg/m, b = 1.0…

A: Write a given values of this question. L=2mλ=a+bxa=1kg/mb=1kg/m2g=9.8m/s2

Q: A 6 m long board is held up at each end by a vertical rope. Assume the board has negligible mass. A…

A: Given: The length of the board is 6 m. The mass of the box is 60 kg. The position of the box is 4 m…

Q: An object of mass 10.0 kg hangs from two ropes attached to the ceiling as shown. What are the…

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Q: You are pressing a 3.0 kg cubic wooden block into a corner between a wall and the floor. Your arms…

A: We are given a block being pressed to corner. We are given the angle of pressing. We first draw free…

Q: Static Friction Force Revisited Now let's go back and consider the static situation again. Let the…

A: Static friction fs  = μ Ν  Hence we can calculate static friction by finding the value of N.

Q: A 34.0 kg mass (m) is suspended by the cable assembly as shown in the figure. The cables have no…

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Q: You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your…

A: Given: The value of angle is θ=34.4∘. The value of external angle is ϕ=26.144∘. The horizontal…

Q: A woman who weighs 533 N is leaning against a smooth vertical wall, as the drawing shows. Find (a)…

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Q: A framed painting weighs 30 kg. The two wires supporting it makes an angle of 120° with each other.…

A: Mass of framed painting: m = 30 kg The angle between two wires: θ1  = 120o  Implies the angle…

Q: Find (a) the magnitude of the force

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Q: The two structural members, one of which is in tension and the other in compression, exert the…

A: It is given that the tension force is 2.3kN and the compression force is 5.3kN. Therefore, the…

Q: 5. In the figure at right, which one of the following choices of pivot point would lead to a torque…

A: 5. At pivot point "A" the only unknown quantity is the magnitude of the force exerted by the biceps.

Q: The two structural members, one of which is in tension and the other in compression, exert the…

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Q: 3. A wire is stretched horizontally between two poles that are 8.0m apart. When a 50.ON weight is…

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Q: The two structural members, one of which is in tension and the other in compression, exert the…

A: First we find the resultant  force of f1 and f2 and then angle between force f1 and resultant R from…

Q: A person is pushing a wheelbarrow along a ramp that makes an angle ?=43.0∘ with the horizontal. The…

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Q: A uniform plank of length 2.00 m and mass 31.0 kg is supported by three ropes, as indicated by the…

A: See below

Q: The light right-angle boom which supports the 450-kg cylinder is supported by three cables and a…

A: Solution:   The Reactions at O and cable tensions are calculated using below:

Q: The bear of weight 700 N walking on the horizontal beam pivoted at point A and supported by a rope…

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Q: In order to get his car out of the mud, a man ties one end of a rope to the front bumper and the…

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Q: Body A has a weight/force of 441.45N and the coefficient for Body A, Body B and ramp C is 0.10. What…

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Q: A table of mass 15 kg and length 6 m stands on a flat horizontal surface. A package is placed on the…

A: at the equilibrium, The sum of forces acting along y direction is zero.

Q: A 200 N sign hangs from the middle of a cable between two buildings. The ends of each cable are…

A: For the sign to be in equilibrium, the net force on the sign in vertical direction must be zero. The…

Q: You are working in an ice skating rink and have been asked to hang a new banner on the wall. Your…

A: For the ladder to not slip, it must remain in translational as well rotational equilibrium. The…

Q: e force exerted a

A: W=558N θ=60°(a) the magnitude of the force Fn (directed perpendicular to the wall) exerted on her…

Q: A person of mass m is standing on his tiptoes on both feet. The situation is pictured on the right.…

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Q: An elastic rope is stretched between the tops of two identical posts. A man is to walk along the…

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Q: A 145 N object is supported by three cables(T1, T2 and T3), of which T1 and T2 are making angles θ1…

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