Problem#3: 40 KN 30 kN 60 KN 60 kN 30 KN 40 KN I I 16 m 12 m 8 m I The three-step pulley is subjected to the given couples. (a) Compute the value of the resultant couple. Also, (b) determine the forces acting at the rim of the middle pulley that are required to balance the system. Assume : CCW = positive CW = negative

Problem#3: 40 KN 30 kN 60 KN 60 kN 30 KN 40 KN I I 16 m 12 m 8 m I The three-step pulley is subjected to the given couples. (a) Compute the value of the resultant couple. Also, (b) determine the forces acting at the rim of the middle pulley that are required to balance the system. Assume : CCW = positive CW = negative

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 76PQ: Jamal and Dayo are lifting a large chest, weighing 207 lb, by using the two rope handles attached to...

See similar textbooks

Similar questions

Body A has a weight/force of 441.45N and the coefficient for Body A, Body B and ramp C is 0.10. What is the smallest mass of B to make the system in equilibrium while neglecting the friction between the string and the ramp? Show the complete solution and the FBD. Answer should be: 23.92
Find the third force (the equilibrant) that would prevent the system from accelerating. 6.000 N At 348.9o Trig angle. (11.1o below the +x axis)
Find the tension in the two cords shown in the figure. Neglect the mass of the cords, and assume that the angle θ is 30.0o and the mass m is 170 kg. Not enough information. 1230 N and 6240 N 3330 N and 2890 N 1500 N and 2530 N
A persons head is bent over her book. The head weighs P=37.2 N and is supported by the muscle force F m exerted by the neck extensor muscles and by the contact force F c exerted at the atlantooccipital joint. Given that the magnitude of F m is 60.0 N and is directed 35.0 degree below the horizontal. Find the magnitude of the contact force F c.
The drawing below shows a person whose weight is W = 603 N doing push-ups. Assume L1 = 0.880 m and L2 = 0.435 m. Calculate the normal force exerted by the floor on each hand, assuming that the person holds this position.
In comparing two unequal forces on a rigid body, is it possible to have the larger force produce lesstorque than the smaller force?a. Yes b. No
Two masses mA =9.3kg and mB=6.1kg are on inclines and are connected together by a string as shown in the figure. The angles theta subscript A=700 and theta subscript B = 360 . In the absence of the friction, the force F is required to pull the masses at a constant velocity up the fixed inclines. The force F is now removed. What is the magnitude of the acceleration of the two blocks? Take g =9.81 m/s2, and express your answer using two decimal places.
a ladder 4m long is leaning against a frictionless wall with its lower end 1.6m away from the wall. if the ladder weighs 150n, what forcesdoes it exert on the wall F1 and on the ground F2? show step by step solution with fbd
Find the tensions in each of the three ropes (in N), given m2 = 10.0 kg and ?3 = 55.0°
Find the tension in the two cords shown in the figure. Neglect the mass of the cords and assume that the angle θ is 33° and the mass m is 190-Kg.
A persons head is bent over a book. The head weighs P=37.2 N and is supported by the muscle force Fm exerted by the neck extensor muscles and by the contact force Fc excerted at the atlantooccipital joint. Given that the magnitude of Fm is 60.0 N and is directed 35.0 degree below the horizontal. Find the direction of the contact force Fc. If the direction is below the horizontal, enter a negative value.
The leg and cast in the figure below weigh 273 N (w1). Determine the weight w2 and the angle α needed so that no force is exerted on the hip joint by the leg plus cast. w2 = ? a = ?