A sandwich board advertising sign is constructed as shown in figure 5.39. It's mass is 6.90 KG. (a) calculate the tension in the chain assuming no friction between the legs and the sidewalk.  n ?  (B) what force is exerted

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Q: please help !

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A: “Since you have posted a question with multiple sub parts, we will provide the solution only to…

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A: Solution:-

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Q: 1. One end of a uniform meterstick is placed against a vertical wall. The other end is held by a…

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Q: 1. a) A 4.2 m long beam (m1 = 35 kg) is attached to a wall by a hinge as shown. A light horizontal…

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Q: You are preparing for a balancing act. A 50-kg, 7.0-m horizontal beam is supported by a fulcrum at a…

A: Torque = force × perpendicular distance

Q: Two children push on opposite sides of a door during play. Both push horizontally and perpendicular…

A: F1=175N R1=0.800 m F2=? R2=0.450 m This pushing of doors will result in torque and if it is required…

Q: A bridge of length 50.0 m and mass 7.60 × 104 kg is supported on a smooth pier at each end as shown…

A: normal force at point A = 5.9878 x 105 N normal force at point B = 4.69 x 105 N Explanation:Approach…

Q: Two children push on opposite sides of a door during play. Both push horizontally and perpendicular…

A: F1 = 165 N  Distance from Hinge to force F1 is r1 = 0.40 m  Let the force exerted by second is F2…

Q: A 9 800-N shark is supported by a rope attached to a 4.20-m rod that can pivot at the base. 20.0°…

A: The problem is illustrated as:  Since we do not have the length of the rod and cable, we will…

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A: Solution -

Q: A 5.00 m–long uniform diving board that weighs 250.0 N is supported by two pillars. One pillar is at…

A: The free-body diagram of the board is shown below.

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Q: A 8 000-N shark is supported by a rope attached to a 5.00-m rod that can pivot at the base. 20.0°…

A: a. T = 4062 N b. Fx = 3816.74 N or 3817 N c. Fy = 6610.8 NExplanation:Approach to solving the…

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A: Given: length of ladder l = 3 m mass of ladder m =10kg friction coefficient μ=0.4

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A: GIVEN: mass of the concrete block M = 287kg mass of strut m= 33.6kg

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A: Part(a) Where should the 44 kg child sit if the scale is to read 100 N. Part(b) Where should the 44…

Q: Problem #2: A 50.0-kg sign hangs from the end of a uniform strut. The strut is 4.0 m long and weighs…

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Q: A hungry bear weighing 720 N walks out on a beam in an attempt to retrieve a basket of food hanging…

A: Given data: The weight of the bear is WB=720 N. The weight of the beam is Wb=220 N. The total…

Q: 1. a) A 4.2 m long beam (m1 = 35 kg) is attached to a wall by a hinge as shown. A light horizontal…

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Q: A 3.0 m long ladder, as shown in the diagram, leans against a frictionless wall. The coefficient of…

A: Given data :  Length of ladder L = 3 m  Coefficient of static friction between ladder and floor us =…

Q: A bridge of length 50.0 m and mass 7.60 * 10^4 kg is supported on a smooth pier at each end as shown…

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Q: Two identical, uniform beams weighing 260 NN each are connected at one end by a frictionless hinge.…

A: Solution:-                         Given  ;           Two identical uniform  weighing 260 N each.…

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Q: A 1-meter long, 20 kg uniform bar is attached to a wall by a hinge. It is held in a horizontal…

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Q: 4an A traffic light hangs from a pole as shown. The uniform aluminum pole AB is 7.50 m long and has…

A: given that,l=7.50 mm=12 kgM=21.5 kgh=3.80 mθ=37°