Situation A: A beam is attached to a wire on the one end and is rested to an inclined plane on the other as shown below. Determine the following: 17. Force acting on the cable. Neglect friction. 18. Vertical and horizontal reaction at the inclined plane. Neglect friction. 19. Force acting on the cable. Coefficient of friction = 0.5 20. Vertical and horizontal reaction at the inclined plane. Coefficient of friction = 0.5

Situation A: A beam is attached to a wire on the one end and is rested to an inclined plane on the other as shown below. Determine the following: 17. Force acting on the cable. Neglect friction. 18. Vertical and horizontal reaction at the inclined plane. Neglect friction. 19. Force acting on the cable. Coefficient of friction = 0.5 20. Vertical and horizontal reaction at the inclined plane. Coefficient of friction = 0.5

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...

See similar textbooks

Similar questions

The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the smallest force P and the corresponding angle that would cause impending sliding of the block. The angle of static friction between the block and the ground is s.
Situation 1: A 50 N block rests on a surface that is inclined by e degrees. If u: = 0.35 and uk = 0.15, determine the following: A. The maximum e where the motion impends (degrees) B. If e = 15°, what is the frictional force between the block and the incline? (N) C. If e = 25°, what is the frictional force between the block and the incline? (N)
Problem 4. A.) If the uniform concrete block has a mass of 500 kg, determine the smallest horizontal force P needed to movethe wedge to the left. The coefficient of static friction between the wedge and the concrete and the wedge and the floor is 0.3. The coefficient of static friction between the concrete and floor is 0.5.ANSWER: P=1797.52; N=1.80kNB.)Refer to problem number 4. Calculate the followinga.) the angle of friction between the wedge and the concrete and the wedge and the floor.Answer: ?????? ??? ????????= ?????? ??? ?????= 16.7ob.) the coefficient of static friction between the concrete and floor.Answer: ????????? ??? ?????= 263.56o
Activity 1. A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an angle of 35° with the horizontal as shown. It starts to slip when a man weighing 75 kg has climbed halfway up. If f = 0.20 at the wall, find the coefficient of friction (u) at the floor. 75 Kg 2m 2m 7w=25Kg 35° right? The coefficient of friction is 0.10 and the pulleys are assumed to be frictionless. (b) (a) 400# 600# 30°
Situation 2: Find the minimum force P required to just pull out box B. Also, find the tension of the cord supporting box A. Take note that the coefficient of friction between the blocks is 0.10. While between block B and the ground, u = 0.25. 350 N B 70N A. Magnitude of P (N) B. Tension on the cable (N)
Problem 2 (6 points): Blocks A, B and C have weights 50 lb, 25 lb and 15 lb. Block A is tied to wall by a cable. Force P is applied to a cable tied to block B. Coefficient of static friction between blocks A and B is 0.3, between blocks B and C 0.359, between C and ground D is 0.32. a) State the cases of impending motion as the horizontal force P is applied to block B. b) Assuming one of the stated cases of impending motion, draw proper Free Body Diagrams for the assumed case of impending motion. Label the assumed case of impending motion. c) Determine the smallest force P needed to cause impending motion. Justify your answer. d) Determine tension in cable A, from your final answer for the force P. A B D
Ross and Rachel are fighting if they were on a break. Ross is trying to get his stuff weighing 150. N placed on an inclined plane by pulling it upwards parallel to the inclined plane with 150. N force. However, Rachel is trying to stop Ross by exerting 50.0 N perpendicular to the inclined plane. The coefficients of friction between the box and the incline are us= 0.450 and = 0.350. Which of the following shows the most ideal force diagram for the object? A. C. 30⁰ 30* 50 N W 50 N 150 N 180 N B. D. 30⁰ 30⁰ 50 N FRIENDS 50 N 50 N 150 N 150 N 150 N
2. The coefficient of static friction between all contacting surfaces is μ = 0.4. The weight of each box is the same, W, and the center of gravity of each box is at its geometric center. a) Determine the minimum horizontal force P needed for the top box to be on the verge of sliding across the top of the lower box (be sure to provide a free body diagram). Is this situation physically possible? b) Determine the minimum horizontal force P needed for both boxes to tip together (be sure to provide a free body diagram). Is this situation physically possible? c) Based on your solutions to parts 'a' and 'b' (no new analysis required), if the magnitude of P is slowly increased from a value of zero, which of these two situations will be realized? 1 m 1 m 0.5 m- [ 1.5 m
P (N) * 2. The force P is applied to the block m kg, which is stationary before the force is applied. Determine the magnitude and direction of the friction force f exerted by the horizontal surface on the block. m kg 30° H = 0.80 H = 0.60 %3D Figure 2. 25 kg m = .... ..... .... .. P = 245.25 newton ....... ..... .......
The crate has a weight of W = 350 lb and the coefficient of static Friction between the crate and the ground is us = 0.3. If the angle 0 = 45° %3D and P = 100 lb, the friction force on the ground is. Select one: a. 279.29-lb b. 0 c. 70.71-lb d. 83.79-lb
Hw.4 A (10 Kg mass) block is resting on a rough horizontal surface for which the coefficient of friction is (u=0.30). Determine the force P applied to the block. EFx=0 2P P-F=0 F=P EFy=0 N-98.1-2P=0 N=98.1+2P F=u N P=0.3*(98.1+2P) P=29.43+0.6P -0.5P=29.43 P=-58.86
Two identical blocks, A and B, are positioned along the vertical and horizontal walls (as shown in the image) and held in position with a connecting rod between them. The coefficient of friction is the same on both surfaces, and sliding occurs when 0 = 45°.