In (Figure 1), an 86 kg construction worker sits down 2.0 m from the end of a 1450 kg steel beam to eat his lunch. Part A What is the tension in the cable? Express your answer to three significant figures and include the appropriate units. T = Value Units Submit Request Answer Figure < 1 of 1> Provide Feedback Cable 30 6.0 m

A A Your Answer: L1 100 N L2 A rigid mass-less beam rests on two supports as shown. On the beam a force of 145 N is applying at a distance L1 = 0.1 m from support A. Support B is L2 = 1.7 m from the force 145 on the beam. Determine the reaction force at A. B

12. A 24 lb sign is hung from above and from the side by two light and non-stretchable cables. Each cable is attached to the top-center of the sign. The left most extending to the ceiling an angle of 56 degrees relative to the leftwards horizontal direction. The second cable is attached to an adjacent wall horizontally. What is the tension in the horizontal cable? a. 0 lbs b. 12 lbs 16 lbs 24 lbs C. d.

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Fnet = ma, x = xo + Voxt += axt², Vx = Vox + axt, (v₂)² = (vox)² + 2axAx, g = 9.8 m/sec² Problem 1: The three ropes in the Figure are tied to a small, very light ring. Two of the ropes are anchored to walls at right angles, and the third rope pulls as shown. a) What is T₁, the tension from Rope 1 for the Figure below on the left? Answer: 86.6 N b) What is T₂, the tension from Rope 2 for the Figure below on the left? Answer: 50.0 N c) What is T3x, the x-component of the tension from Rope 3 for the Figure below on the right? Answer: 50 N. d) What is T3y, the y-component of the tension from Rope 3 for the Figure below on the right? Answer: 80 N. e) What is T3, the tension from Rope 3 for the Figure below on the right? Answer: T3 = √(T3x)² + (T3y)² = 94.3 N Rope 1 Rope 2 √30° 100 N 0.60 m 0.80 m T₁ = 50 N T₂ = 80 N T₁ w 34

Part A A 23-kg chandelier hangs from a celling on a vertical 4.0-m-long wire. What horizontal force would be necessary to displace its position 0.15 m to one side? Express your answer to two significant figures and include the approprlate on b F = Value Units Submit Request Answer Part B What will be the tension in the wire? Express your answer to two significant figures and include the appropriate units. Fr Value Units Submit Request Answer

a. What is the x-component of this force? answer in N b. What is the y-component of this force? answer in N

In the figure, two blocks are connected over a pulley. The mass of block A is 5.80 kg and the coefficient of kinetic friction between A and the incline is 0.360. Angle e of the incline is 31.0°. Block A slides down the incline at constant speed. What is the mass of block B? Frictionless, massless pulley B. Number i Units

The tolerance is -+1 in the 2nd significant digit