Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 5.00 x 10¯5 kg hangs motionless on it. Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much like the tightrope walker 5.0° 5.00 T. TR y 4 T.I TR The strand sags at an angle of 11.0° below the horizontal. Compare this with the tension in the vertical strand (find their ratio). tension in horizontal strand tension in vertical strand

Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 5.00 x 10¯5 kg hangs motionless on it. Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much like the tightrope walker 5.0° 5.00 T. TR y 4 T.I TR The strand sags at an angle of 11.0° below the horizontal. Compare this with the tension in the vertical strand (find their ratio). tension in horizontal strand tension in vertical strand

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Description: Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 5.00 x 10¯5 kg hangs motionless on it.Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much lik

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A painter stands on a scaffold hung by its ends from two vertical ropes A and P, 6 m apart. The scaffold weighs 200 N. The tension in A is 750 N and that in Pis 200 N. a) What is the weight of the painter? b) How far from A is he standing?
A sled is on a horizontal surface and a rope with tension T is pulling on it at an angle 0 above the horizontal. The sled had mass M and does not move due to the frictional force. In this case the coefficient of friction is µ̟. In terms of the variables given and g, what is the magnitude of the frictional force in this case? Select one: a. H, Mgsino b. Tcose O c. Tsin0 O d. H, Mgcos0
A force acts at an angle of 52 degrees above the positive x-axis. It has a y-component of 290 N. Find (a) the magnitude and (b) the x-component of the force. Select one: a. 227 N; 290 N b. 227 N; 368 N c. 368 N; 227 N d. 471 N; 371 N
(a) Calculate the tension (in N) in a vertical strand of spiderweb if a spider of mass 7.00 x 105 kg hangs motionless on it. (Enter a number.) N (b) Calculate the tension (in N) in a horizontal strand of spiderweb if the same spider sits motionless in the middle of it much like the tightrope walker in the figure. 5.0° 5,0° T. TR T I Ta w The strand sags at an angle of 12.0° below the horizontal. (Enter a number.) N Compare this with the tension in the vertical strand (find their ratio). (Enter a number.) (tension in horizontal strand)/(tension in vertical strand) =
3. A block of mass m = 5.9 kg is pulled up a 0 = 21° incline as in the figure below with a force of magnitude F = 37 N. (Hint: remember to measure all angles from +x axis.) y a. Draw a free body diagram showing all the forces. NORml Fte F Mass = 5.9k 0-21° F-37N there b. Determine the x and y components of all the forces. X Components of Force f = 37 N Y comporents of Force F=0N X componnt of normal force=ON * Componis of weight=-5.9x 9.8x Sin 210=70. FJN Y Comperents of weight=5.9a 9.8 x Casal. - 53.98 Y Compenents of normal force=mglos H%53.98, c. Write equations summing all the x components and all the y components. F-mg Sm@= mxa 37-20.72= 5.9x a 2.7l6 = Comporunts) Normal force - mg les 0: 05 53.98-53.98-0o d. Find the acceleration of the block if the incline is frictionless. (Give the magnitude of the acceleration. Find the acceleration of the block if the coefficient of kinetic friction between the block and incline is 0.12. (Give the magnitude of the acceleration.) е. 3
Zoologists have studied the mechanics of locust jumping. When a locust jumps, as depicted in the figure, the resultant force R exerted by the hind legs is the sum of two forces. The first force W acts directly downward to support the locust's weight, which is about 0.02 newton. The second force F is for the takeoff; its magnitude is about 0.29 newton, and the direction makes an angle of 55° with the horizontal. W 55° Find the magnitude of the resultant force R = F + W. (Use decimal notation. Give your answer to three decimal places.) magnitude of resultant force R: newton
10. In the figure below, a mass of 500 kg is held motionless in the air by a 120-kg boom and a rope. Find the tension in the rope. Find the force exerted on the boom by the pin at P. The angles are 0 = 30.0° and o = 45.0°. P
V:r. I ZAY N O O O 1 A A,7IK/s .ll و آذار، ۲۰۲۱ -> o 9:Y. Q1 Block A in the figure below weighs 1.40 N, and block B weighs 4.20 N. The coefficient of kinetic friction between all surfaces is 0.30. Find the magnitude of the horizontal force F necessary to drag block B to the left at a constant speed if A and B are connected by a mass- less cord passing through pulley. A المزيد حذف تعديل مشاركة ...
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.
The cables, knotted at B support the 60kg mass. Sketch a complete free body diagram knot at B. Determine the tension in Cable AB. a. 75.0N b. 981Nc. 736N d. 100N Determine the tension in Cable BC. a. 60.0N b. 589Nc. 45.0N d. 441N
1O C A cart for hauling ore out of a gold mine has a mass of 439 kg , including its load. The cart runs along a straight stretch of B Track track that climbs a shallow 4.75° incline. A donkey, which is Rope trudging along and to the side of the track, has the unenviable job of pulling the cart up the slope with a 441 N force for a distance of 185 m by means of a rope that is parallel to the slope but makes an angle of 14.5° with the track. A „Track incline Model the rolling resistance of the cart as though it were Horizontal ground sliding on the track with a coefficient of friction of 0.0163. Use g = 9.81 m/s, and note that angle A in the image is the angle of the incline while angle B is the angle the rope makes %3D with the track. Find the work Wa that the donkey performs on the cart during this process. %3D Find the work W, that the force of gravity performs on the cart during this process. = "M Calculate the work W done on the cart by friction during this process. 87