The two 4.6° wedges shown are used to adjust the position of the column under a vertical load F of 6.5 kN. Determine the magnitude ofthe forces Prequired to raise the column if the coefficient of friction for all surfaces is 0.43.Assume 0 = 4.6°.FAnswer: P =ikN

Answered: Image /qna-images/answer/b93bca3e-ea8a-4a23-b35b-060b32f33c3a.jpg

Answered: The two 4.6° wedges shown are used to…

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 7.72P

See similar textbooks

Similar questions

The two homogeneous bars AB and BC are connected with a pin at B and placed between rough vertical walls. If the coefficient of static friction between each bar and the wall is 0.25, determine the largest angle 6 for which the assembly will remain at rest.
The single-threaded screw of the floor jack has a pitch of 0.5 in. and a mean radius of 1.75 in. The angle of static friction is 8.5. (a) Determine the couple C that must be applied to the screw to start lifting a weight of 4000 lb. (b) What is the couple required to start lowering the weight?
The square-threaded screw 0f the C-clamp has a mean diameter of 8 mm and a pitch of 1.6 mm. The coefficient of static friction between the threads is 0.2. If the torque C=1.50Nm is used to tighten the clamp, determine (a) the clamping force; and (b) the torque required to loosen the clamp.
The two 5.0° wedges shown are used to adjust the position of the column under a vertical load Fof 8.7 kN. Determine the magnitude of the forces Prequired to raise the column if the coefficient of friction for all surfaces is 0.36. Assume e = 5.0°. F Answer: P = kN
The two 5.7° wedges shown are used to adjust the position of the column under a vertical load Fof 4.1 kN. Determine the magnitude of the forces P required to raise the column if the coefficient of friction for all surfaces is 0.46. Assume 0 = 5.7°. F P
The movable bracket shown may be placed at any height on the 3-in.-diameter pipe. If the coefficient of static friction between the pipe andbracket is 0.25, determine the minimum distance x at which the load Wcan be supported. Neglect the weight of the bracket.
In the figure shown, the coefficient of friction is 0.25 for all surfaces of contact. Find the weight W if the 200N weight is on the point of moving (a) up; (b) down.
The coefficient of static friction for both wedge surfaces is 0.30 and that between the 40-kg concrete block and the 24° incline is 0.65. Determine the minimum value of the force P required to begin moving the block up the incline. Neglect the weight of the wedge. 40 kg 3.7 24 Answer: P = N
Calculate the magnitude of the force supported by the pin at A under the action of the 1.5-kN load applied to the bracket. Neglect friction in the slot. 180 mm -120 mm-
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
The rope running over two fixed cylinders carries the 4-kg mass at one end. Determine the force P that must be applied to the other end to initiate motion. The coefficient of static friction between the rope and the cylinders is 0.15. BISECTION METHOD
The coefficient of static friction for both wedge surfaces is 0.44 and that between the 31-kg concrete block and the 29° incline is 0.77. Determine the minimum value of the force Prequired to begin moving the block up the incline. Neglect the weight of the wedge. 31 kg 6.3 29 Answer: P=

SEE MORE QUESTIONS

Recommended textbooks for you

International Edition---engineering Mechanics: St…

Mechanical Engineering

ISBN:

9781305501607

Author:

Andrew Pytel And Jaan Kiusalaas

Publisher:

CENGAGE L