The mobile in Fig. 9–90 is in equilibrium. Object B has massof 0.748 kg. Determine the masses of objects A, C, and D.(Neglect the weights of the crossbars.)30.00 cm| 7.50 cm15.00 cm 5.00 cmAB17.50 cm 5.00 cmDFIGURE 9–90Problem 78.

Condition for equilibrium for D and C

Answered: The mobile in Fig. 9–90 is in…

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section: Chapter Questions

Problem 82A

See similar textbooks

Similar questions

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.
Check Your Understanding A 50-kg person stands 1.5 m away from one end of a uniform 6.0-m-long scaffold of mass 70.0 kg. Find the tensions in the two vertical ropes supporting the scaffold.
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() .
(b) In the figure shown below, three forces F1, F2 and F3 acting on the ring. Usang the component method to: @ Find the equilibrant force Fr. (i) Is the ring in equilibrium or not ?Explain your answer. y F-8N F1-6N 60° 30 Be A Fy-10N March
Calixta whose mass is 60 kg stands 1.5 m away from one end of a uniform 6.0-m-long plank of mass 80.0 kg. Find the tensions in the two vertical ropes supporting the plank. ... + 1.5 m -- 4.5 m A) 500 N; 760 N B 539 N; 833 N c) 711 N; 466 N D 450 N; 870 N
a metre stick suspended from its centre of gravity which is at its midpoint.A force of 3N acts on the stick at the 90cm marck and a force of F newtons acts on the stick at 20cm marck. calculate force F.
blem 3 ne mass of the concrete block is 880kg, how big are the forces in two ropes? A) 400N B) 500N CC)300N D)CD) 600N E)Ⓡ F₂ 20 F 120 400 N { F)350N
A 12.0 m boom (along points A to B) of a crane lifting a 3000 kg load, as shown below. The center of mass of the boom is at its geometric center, and the mass of the boom is 1000 kg. a) What is the tension T in the cable? Give your answer in kN = 10-³ N. 171 171 A 188 T b) What is the magnitude of the force at axle A? Give your answer in kN = 10-³ N. 10° 30° B TON Image courtesy of Clker-Free-Vector-Images for the crane. 3000 kg
1)A 910 kg bucket of rocks is suspended from a sturdy, lightweight beam 0.5 m from a pivot. The man its the beam at its end, 3.6 m from the pivot, and holds it steady. How much force must the man apply? 3
500 mm Situation 1. A hand truck is used to move two kegs, each of mass 40 kg. Neglecting the mass of the hand truck, determine (a) the vertical force P that should be applied to the handle to maintain equilibrium when a = 35', (b) the corresponding 350 mm A 80 mm reaction at each of the two wheels. P. В 300 mm
05) A 7.00 meter long ladder rests against a frictionless wall. The bottom makes a 62.0 degree angle with a concrete floor. A 2.50 kg cat sits1.50 meters from the bottom, and a 50.0 kg person stands 4.50 meters from the bottom of the ladder. Assumethat friction is the only force acting at the base. Derive an expression for the coefficient of friction in tems of the mass of the A) ladder If mass of the ladder is 22.0 kg, find the coefficient of friction B)
When you lift an object by moving only your forearm, the main lifting muscle in your arm is the biceps. Suppose the mass of a forearm with hand is 1.60 kg. If the biceps is connected to the forearm a distance of 2.4 cm from the elbow, how much force must the biceps exert to hold a 42 N ball at the end of the forearm at distance of 36.0 cm from the elbow, with the forearm parallel to the floor, in Newtons? Use g = 10.0 m/s2. Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.

SEE MORE QUESTIONS

Recommended textbooks for you

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

University Physics Volume 1

Physics

ISBN:

9781938168277

Author:

William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:

OpenStax - Rice University

Glencoe Physics: Principles and Problems, Student…

Physics

ISBN:

9780078807213

Author:

Paul W. Zitzewitz

Publisher:

Glencoe/McGraw-Hill

University Physics Volume 1

Physics

ISBN:

9781938168277

Author:

William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:

OpenStax - Rice University

SEE MORE TEXTBOOKS

The mobile in Fig. 9–90 is in equilibrium. Object B has mass of 0.748 kg. Determine the masses of objects A, C, and D. (Neglect the weights of the crossbars.) 30.00 cm | 7.50 cm 15.00 cm 5.00 cm A B 17.50 cm 5.00 cm D FIGURE 9–90 Problem 78.