2. A 16.5-lb block B rests as shown on a 33-lb bracket A. Thecoefficients of friction are µs =block B and bracket A, and there is no friction in the pulley orbetween the bracket and the horizontal surface0.35 and u = 0.28 betweena. Determine the maximum weight of block C if block B not slideon bracket A.b. If the weight of block C is 10 percent larger than the answerfound in a, determine the accelerates of A, B and C.AB4/ 4...

Answered: Image /qna-images/answer/cc69ec25-3c53-4002-a49f-23f8dfa1c3f3.jpg

2. A 16.5-lb block B rests as shown on a 33-lb bracket A. The coefficients of friction are us = 0.35 and µk = 0.28 between block B and bracket A, and there is no friction in the pulley or between the bracket and the horizontal surface a. Determine the maximum weight of block C if block B not slide on bracket A. b. If the weight of block C is 10 percent larger than the answer found in a, determine the accelerates of A, B and C. A B 4/4

2. A 16.5-lb block B rests as shown on a 33-lb bracket A. The coefficients of friction are us = 0.35 and µk = 0.28 between block B and bracket A, and there is no friction in the pulley or between the bracket and the horizontal surface a. Determine the maximum weight of block C if block B not slide on bracket A. b. If the weight of block C is 10 percent larger than the answer found in a, determine the accelerates of A, B and C. A B 4/4

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter5: Further Applications Of Newton's Laws: Friction, Drag, And Elasticity

Section: Chapter Questions

Problem 4PE: Suppose you have a 120-kg wooden crate resting on a wood floor. (a) What maximum force can you exert...

See similar textbooks

Similar questions

The leg and cast in Figure P4.40 weigh 220 N (w1). Determine the weight w2 and the angle needed so that no force is exerted on the hip joint by the leg plus the cast. Figure P4.40
If you wish to reduce the stress (which related to centripetal force) on high-speed tires, would you use large- or small diameter tires? Explain.
The leg and cast in fig p4.40 weight 220n (w1) ,Determine the weight w2 and the angle ∝ needed so that no force is exeted on the hip joinby the leg plus the cast
During most of the stance phase of the gait, the knee flexion is less than 20º. What force must the quadriceps muscle apply to maintain this flexion while standing on one leg? The patient's weight is 836N, assuming that the distance from the center of the joint to the line of gravity is 5 cm and the distance perpendicular to the center of the joint towards which the muscle acts is 5 cm, and the muscle acts ( pull) at 60º to the horizontal.
3. A 50N body is supported by two ropes, one making 30* with the vertical and the other making 45* with the horizontal. What is the tension in the ropes?
In the wheelbarrow, the load has a perpendicular lever arm of 7.50 cm, while the hands have a perpendicular lever arm of 1.02 m. (a) What upward force must you exert to support the wheelbarrow and its load if their combined mass is 45.0 kg? (b) What force does the wheelbarrow exert on the ground?
1 (a) Find the normal force exerted on a 2.9-kg book restingon a surface inclined at 36° above the horizontal. (b) If the angleof the incline is reduced, do you expect the normal force to increase, decrease, or stay the same? Graph and Explain.
A 392-N force parallel to the plane is required to support a body on an inclined plane of height 300 m and base 400 m. If the force exerted by the plane on theb body is 780N, a. what is the weight of the body? b. what is the frictional force between the body and the plane?
A 67.0-kg person stands on a lightweight diving board supported by two pillars, one at the end of the board, the other 1.10 maway. The pillar at the end of the board exerts a downward force of828 N. (a) How far from that pillar is the person standing? (b) Findthe force exerted by the second pillar.
A 1.50×103 kg car, whose front is facing to the right (towards +x-axis) and whose engine is turned off and in neutral, is held at rest on a frictionless ramp using a cable whose one end is attached to the car’s front at an angle 27.0◦ with respect to the ramp’s surface. The other end of the cable is attached to a wall perpendicular to the horizontal and the ramp is raised 30.0◦ above the horizontal. b. Find the tension on the cable.
The archer aims to release the arrow. As the archer pulls the cord with his right arm, he applies a 540 N force with his left hand. Given: a = 200 mm b = 300 mm c = 400 mm 1. What is the resulting tension (N) in the upper cord? 2. Calculate the tension (N) in the lower cord? 3. How much force does the archer exert with his right arm?
1. A 160kg utility pole extends 12.0m above the ground. A horizontal force of 250N acts at its top and the pole is held in the vertical position by a cable. a. Draw a free-body (or force) diagram for the pole. b. Determine the tension in the cable. c. What are the reaction forces exerted at the lower end of the pole by the ground? 2. A 40.0kg uniform platform is suspended by two cables, 2.00m apart, where the centre of the platform lies midway between the cables. A 5.00kg paint bucket is placed on the platform, 24.0cm to the right of the right cable. Determine the tension in each cable.