QUESTION 2 A uniform plank of length 2.00 m and mass 30.0 kg is supported by three ropes as indicated by the blue vectors in Figure P12.25. Find the tension in each rope when a 700-N person is d=0.50 m from the the left end. T1 = T2= T3= 10.0 2.00 m Figure P12.25

QUESTION 2 A uniform plank of length 2.00 m and mass 30.0 kg is supported by three ropes as indicated by the blue vectors in Figure P12.25. Find the tension in each rope when a 700-N person is d=0.50 m from the the left end. T1 = T2= T3= 10.0 2.00 m Figure P12.25

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

Section: Chapter Questions

Problem 78PQ: A massless, horizontal beam of length L and a massless rope support a sign of mass m (Fig. P14.78)....

See similar textbooks

Related questions

Q: If you hold your arm outstretched with palm upward, as shown, the force to keep your arm from…

A: a) Sum of moment about '0' is zero . ΣMo=0 F sin 150.17-4x9.81x0.38=0…

Q: 1.65 m Fg2 g1 26. In exercise physiology studies, it is sometimes important to BIO determine the…

Q: 2. A rigid, homogeneous rod of mass M and length L is hinged to the wall at point A and kept…

A: The moment of force is written as Moment=Fl where F is the applied force and l is the distance from…

Q: A construction worker attempts to lift a uniform beam off the floor and raise it to a vertical…

Q: 1. A uniform beam is 6.0 m long and has a mass of 60 kg. The beam is supported in a horizontal…

A: Given: The length of the beam is 6 m. The mass of the beam is 60 kg. θ=130°

Q: 1. (a) A man applies a force of F=3.00x102 N at an angle of 60.0° to the door 2m from the hinges.…

A: F= 300 N, r= 2m

Q: (a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of…

A: Write the variable with given values.

Q: In the figure below, suppose the length L of the uniform bar is 3.30 m and its weight is 230 N.…

Q: An 8.31-m, 267-N uniform ladder rests against a smooth (frictionless) wall. The coefficient of…

A: As per the given data, Length of the ladder (l) = 8.31 m; Weight of the ladder (W) = 267 N;…

Q: a) What is the mechanical advantage of a wheelbarrow, such as the one, if the center of gravity of…

A: Given: Length of the perpendicular level arm = 1.02 cm The center of gravity of the wheelbarrow and…

Q: A 3.1 m uniform ladder weighing 80.0 N is placed against a smooth wall so that its lower end is 2.0…

Q: Q12) The figure shows a uniform, horizontal beam (length - 10 m, mass - 25 kg) that is pivoted to…

A: Draw the free-body diagram of the beam.

Q: The figure below shows a beam of uniform density with a mass of 33.5 kg and a length ℓ = 4.70 m. It…

A: (a) Equate torque about the right end of the beam to zero ∑τ=0mgl2-Tl-d=0T=mgl2l-d

Q: A 1,000-N uniform boom at p = 58.5° to the horizontal is supported by a cable at an angle e = 31.5°…

Q: Two children are balanced on a seesaw that has a mass of 13.0 kg. The first child has a mass of 26.0…

A: Mass of seesaw (M) = 13 kg Mass of first child (m) = 26 kg Distance of first child from pivot (d) =…

Q: (a) A student stands distance d = 0.375 m from the left end of a beam as shown in the figure. The…

Q: In exercise physiology studies, it is sometimes important to determine the location of a person's…

A: Consider that there are three forces at the location of the center of gravity. The balancing forces…

Q: (a) A uniform steel beam of mass 200.00 kg is held up by a steel cable that is connected the beam a…

A: Given:- A uniform steel beam of mass M = 200.00 kg is held up by a steel cable that is connected to…

Q: Problem 11.61 A uniform, 7.8-m-long beam weighing 6490 N is hinged to a wall and supported by a thin…

Q: B As shown in Figure 1, two people of the same height are holding up a box attached to a pole. The…

A: in this question we determine FA/FB by free body diagram equation .

Q: A vaulter holds a 29.4-N pole in equilibrium by exerting an upward force with U→ her leading hand…

A: To find the magnitudes of U and D

Q: A 1220-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the…

A: a) Balance torque about left end TSin(50°+30°)L = (1960LCos30°)+(1220×LCos30°/2) T = 2260 N

Q: Two people carry a heavy electric motor by placing it on a light board 2.10 m long. One person lifts…

Q: A construction worker attempts to lift a uniform beam off the floor and raise it to a vertical…

A: The beam is 1.88 m long and weighs 490 N.. At a certain instant the worker holds the beam…

Q: 1.A vault is opened by applying a force of 300 N perpendicular to the plane of the door, 0.80 m from…

A: 1.Write the expression for torque.

Q: a) A seesaw consisting of a uniform board of mass M and length l supports a father and daughter with…

Q: 11.46 * A uniform, 8.0-m, Figure P11.46 1150-kg beam is hinged to a wall and supported by a thin…

A: Given: The total length of the bar is L=8 m. The free length of the bar is L’=2 m. The mass of the…

Q: The figure below shows a beam of uniform density with a mass of 33.0 kg and a lengthl = 4.45 m. It…

Q: 62. I A 120-cm-wide sign hangs from a 5.0 kg. 200-cm-long pole. A cable of negligible mass supports…

A: The angle between the cable and the sign is,

Q: A uniform sign of weight Fg and width 2L hangs from a light, horizontal beam hingedat the wall and…

A: Given Information: The weight of the sign (W) = Fg The width of the sign = 2L The distance of the…

Q: A man stands a distance d = 0.275 m from the left end of a platform as shown in the figure. The…

A: Answer :- For equilibrium of plank Sigma Fx = 0 T3 + T1 Cos(40)0 = 0 T3 = - T1 Cos (40)0…

Q: (a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of…

A: (a) We know that torque is given by, τ=rFsinθ Substitute the given values, τ=0.850 m55.0 Nsin90°…

Q: Two children of mass 16 kg and 39 kg sit balanced on a seesaw with the pivot point located at the…

Q: A b. A vaulter holds a 29.4 -N pole in equilibrium by exerting an upward force U with her leading…

Q: A 10 000- N Shark is supported by a rope attached to a 4.00-m rod that can pivot at the base (a)…

Q: 1. A museum of modern art is displaying an irregular 426-N sculpture by hanging it from two thin…

Q: 4000 N Consider the figure as shown. What force must be applied at point P to keep the structure in…

A: Let F is the force at P which makes an angle θ with positive x axis. The components of the force F…

Q: 1) A meterstick with a mass of 300 grams and a center of mass located at the 50cm mark is put on a…

A: 1) let mass m is placed at 95cm mark Now, for equilibrium balance torque about pin Clockwise…

Q: Two children of mass 21 kg and 26 kg sit balanced on a seesaw with the pivot point located at the…

A: Let r be defined as the distance from the pivot point of the small child. Then the distance of the…

Q: A sandwich board advertising sign is constructed as shown in Figure 5.39. Its mass is 9.40 kg. ( see…

Q: 10. A 72.0 N ladder that is 3.60 m long is placed against a frictionless wall so the base of the…

Q: A uniform 35.0-kg beam of length ℓ = 5.00 m is supported by a vertical rope located d = 1.20 m from…

A: It is given that,

Q: A person exerts a horizontal force of 40 N on the end of a door 95 cm wide. a)What is the magnitude…

Q: A hiker, who weighs 659 N, is strolling through the woods and crosses a small horizontal bridge. The…

Q: (8c12p13) Forces F1, F2, and F3 act on the structure depicted in the figure, shown in an overhead…

A: Given a = 1.9 m, b = 2.7 m, C = 1.05 m, F1 = 24.10 N, F2 = 12.85 N, and F3 = 4.65 N. To Find Fh,…

Q: An athlete holds a 32.8 N pole in equilibrium by exerting an upward force U with her left hand and a…

Concept explainers

Center of Gravity of a system

The centre of gravity is a property that is based on the geometry of a rigid body or any particle. It is described as an equilibrium point or a hypothetical location where the total weight of the body is concentrated.

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 4 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

At a museum, a 1300-kg model aircraft is hung from a lightweight beam of length 12.0 m that is free to pivot about its base and is supported by a massless cable (Fig. P14.38). Ignore the mass of the beam. a. What is the tension in the section of the cable between the beam and the wall? b. What are the horizontal and vertical forces that the pivot exerts on the beam? FIGURE P14.38 (a) From the free-body diagram, the angle that the string tension makes with the beam is = 55.0 + 18.0 = 73.0, and the perpendicular component of the string tension is FT sin73.0. Summing torques around the base of the rod gives (Eq. 14.2): =0:(12.0m)(1300kg)(9.81m/s2)cos55.0+FT(12.0m)sin73.0=0FT=(12.0m)(1300kg)(9.81m/s2)cos55.0(12.0m)sin73.0FT=7.65103N Figure P14.38ANS (b) Using force balance (Eq. 14.1): Fx=0:FHFTcos18.0=0FH=FTcos18.0=[(12.0m)(1300kg)(9.81m/s2)cos55.0(12.0m)sin73.0]cos18.0=7.27103NFy=0:FVFTsin18.0(1300kg)(9.81m/s2)=0 FV=FTsin18.0+(1300kg)gFV=[(12.0m)(1300kg)(9.81m/s2)cos55.0(12.0m)sin73.0]sin18.0+(1300kg)(9.81m/s2)FV=1.51104N
Problems 33 and 34 are paired. One end of a uniform beam that weighs 2.80 102 N is attached to a wall with a hinge pin. The other end is supported by a cable making the angles shown in Figure P14.33. Find the tension in the cable. FIGURE P14.33 Problems 33 and 34.
A uniform horizontal beam with a length of 8 m and a weight of 200 N is attached to a wall by a pin connection. Its far end is supported by a cable that makes an angle of 53° with the beam. If a 600-N person stands 2 m from the wall. What is the ?tension in the cable 53.0% 8.00 m .A None .B N 410
A uniform horizontal beam with a length of 8 m and a weight of 200 N is attached to a wall by a pin connection. Its far end is supported by a cable that makes an angle of 53° with the beam. If a 600-N person stands 2 m from the wall. What is the tension in the cable? 53.0% 8.00 m O A. 502 N O B. 410 N O C. 196 N D. None O E. 313 N
Figure P8.27. Find the tension in each rope when a 700.-N worker stands 1.00 m from one end? e2cm lon ropes, as indicated by the blue vectors in 27. VA uniform plank of length 2.00 m and mass 30.0 ke by three ropes, as indicated by the blue vectors in supported Figure P8.27. Find the tension in each rope when a 700 N person is d = 0.500 m from the left end. er of gravig fo 12, modeling rethooran 8 B of model 10.26 T, T2 0.250 Theatthe le 40.0° lid or boln vibbud ns bano sdi svode m81 o + d » 3. 2.00 m di In bas rirob be ss gairda Figure P8.27 goil sdrto idgiod oh bail rel 2 00 bou d 28. A hungry bear weighing 700. N walks out on a heam in
P 5. An object weighing 255 N is supported by a uniform 130 N horizontal beam as shown in the figure. The length of the beam is 2.00 m and the distance (x) is 1.55 m. Find the tension in the guy wire that is connected to the wall if the angle = 39⁰. @ 2 W S X mmand # w = 3 E D X417.196 N C C $ 4 R F V G Search or type URL on se % 5 T G 6 B MacBook Pro Y 0 H & 7 N U 1332 jj1332 J 32 jj1332 jil332 jj1332 jj1332 jjl332 ☆ * 00 M - → - O 9 K 32 jjl332 jj1332 jj1332 j H < O < ) O L command P .. € - .... { + 11 [ option ?
Consider the 120-cm board supporting three loads as shown below. The beam weighs 45 grams. If the system is in equilibrium, a. what is the magnitude of the force exerted by the pin support to the board? b. Find the perpendicular distance, x, of the pin support from the left end of the board. 30cm A В C 259 30g 75g
A uniform horizontal beam with a length of 8 m and a weight of 200 N is attached to a wall by a pin connection. Its far end is supported by a cable that makes an angle of 53° with the beam. If a 600-N person stands 2 m from the wall. What is the tension in the cable? 53.0% 8.00 m OA. 410 N OB. None OC. 313 N D. 196 N E. 502 N
A uniform horizontal beam with a length of 8 m and a weight of 200 N is attached to a wall by a pin connection. Its far end is supported by a cable that makes an angle of 53° with the beam. If a 600-N person stands 2 m from the wall. What is the tension in the cable? 53.0% 8.00 m A. 196 N B. 502 N C. 313 N D. 410 N E. None Previous page Next page II
8. An object weighing 240 N is supported by a uniform 135 N horizontal beam as shown in the figure. The length of the beam is 2.40 m and the distance (x) is 1.95 m. Find the tension in the guy wire that is connected to the wall if the angle = 39º. N A X
A fulcrum is placed 1.0 m from the edge of a 3.0 m-long wooden uniform plank of mass 20 kg. A weight W is placed at the edge of the short end to balance it. What is the proper amount of weight needed to balance the plank? (Hint: first find the plank's weight and draw its vector in the correct location) 4. W A1.0 m- - 3.0 m 5. Two children are on opposite ends of an 8.00 m-long seesaw that is pivoted in the middle. One child weighs 300. N while the other weighs 200. N. A third child weighing 150. N attempts to hop on and balance the seesaw. How far from the fulerum should she sit?
A 500.-N uniform rectangular sign 4.00 mwide and 3.00 m high is suspended from ahorizontal, 6.00-m-long, uniform, 100.-N rodas indicated in Figure P8.25. The left end ofthe rod is supported by a hinge, and the rightend is supported by a thin cable making a30.0° angle with the vertical. (a) Find the tensionT in the cable. (b) Find the horizontaland vertical components of force exerted onthe left end of the rod by the hinge.