A force exerted on a flexible object at its center, perpendicular to its length, gives rise to a tension on the object. (a) What equation represents the tension on the object? (b) If you hang a car of mass 1770 kg from a steel beam, you observe that the beam bends 0.095°. What is the tension in this beam, in newtons? F

A force exerted on a flexible object at its center, perpendicular to its length, gives rise to a tension on the object. (a) What equation represents the tension on the object? (b) If you hang a car of mass 1770 kg from a steel beam, you observe that the beam bends 0.095°. What is the tension in this beam, in newtons? F

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 61P: Show that, as explained in the text, a force F exerted on a flexible medium at its center and...

See similar textbooks

Similar questions

Show that, as explained in the text, a force F exerted on a flexible medium at its center and perpendicular to its length (such as on the tightrope wire in Figure 5.26) gives rise to a tension of magnitude T=F/2sin() .
Find the magnitude of the tension in each supporting cable shown below. In each case, the weight of the suspended body is 100.0 N and the masses of the cables are negligible.
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 block of weight w is suspended from a rope tied to two other ropes at point O. One rope ishorizontally attached to a wall and the other is fastened to the ceiling. The angle betweenceiling and the rope is 60°. What are the tensions in each of the ropes? Assume the weights ofthe ropes and the knots are negligible. If the weight of the block is 100 N, what is the tension inthe ceiling rope?
The 6-m pole ABC is acted upon by a 460-N force, P, as shown in the figure. The pole is held by a ball-and-socket joint at A and by two cables BD and BE. For a = 3 m, determine the tension in each cable and the reaction at A. (Round the final answers to one decimal place.) 3. 1.5 m P E The tension in cable BD is The tension in cable BE is The reaction at A is - ( y C B 3 m N. N. N)i + 3 m 3 m 1.5 m 3 m X N)j + N)k.
A 1.5 kg block resting ina rough flat surface is pulled by a string. The string makes an angle of 20 degress with the horizontal. The coefficient of static friction between the blodk and the surface is 0.35. What is the maximum tension in the string to keep the block unmoved?
A traffic light of weight 100 N is supported by two different cables (at the angles of 70 and 25 w.r.t. the horizontal), as shown in the figure. What are the tensions in the cables?
The base of an automobile jackstand forms an equilateral triangle of side length 12 in. and is centered under the collar A. Model the structure as one with a ball and socket at each joint and determine the force in members BC, BD, and CD. The forces are positive if in tension, negative if in compression. Neglect any horizontal reaction components under the feet B, C, and D. Assume F-700 lb, b-12 in., h-17 in. Answers: BC- i BD= i CD- i lb lb lb
A disco ball hangs off of two support beams at a nightclub. The supporting cables are symmetric, in that they have equal length and equal angle with respect to vertical. There is a 40 degree opening angle between the two cables. (a) Draw a free body diagram for the disco ball. (b) What value of tension in the cables, Ft, will support the weight of the ball and hold it in static equilibrium?
A large wrecking ball is held in place by two light steel cables. If the mass m of the wrecking ball is 3620 kg, what are (a) the tension TB in the cable that makes an angle of 40 with the vertical and (b) the tension TA in the horizontal cable?
A large wrecking ball is held in place by two light steel cables. If the massm of the wrecking ball is 4090 kg, what are (a) the tension TB in the cablethat makes an angle of 40° with the vertical, and (b) the tension TA in thehorizontal cable?
A man is dragging a trunk up the loading ramp of a mover’s truck. The ramp has a slope angle of 20.0, and the man pulls upward with a force F S whose direction makes an angle of 30.0 with the ramp . (a) How large a force F S is necessary for the component Fx parallel to the ramp to be 90.0 N? (b) How large will the component Fy perpendicular to the ramp be then?