Ql Consider the track shown in Figure. The section AB is one of a circle of radius 2.0m and is frictionless. B to C is horizontal span 3.0m long with coefficient of kinetic friction H=0.25. The section CD under the spring is frictionless .A block of mass 1.Okg is released from A. After sliding on the track, it is observed to compress the spring by 0.20m. Determine quadrant a: The velocity of the block at point B. b:The work done by friction as the block slides from B to C. c: The velocity of the block at point C. d: The stiffness constant K for the spring. Lon ( use conservation of energy)

Ql Consider the track shown in Figure. The section AB is one of a circle of radius 2.0m and is frictionless. B to C is horizontal span 3.0m long with coefficient of kinetic friction H=0.25. The section CD under the spring is frictionless .A block of mass 1.Okg is released from A. After sliding on the track, it is observed to compress the spring by 0.20m. Determine quadrant a: The velocity of the block at point B. b:The work done by friction as the block slides from B to C. c: The velocity of the block at point C. d: The stiffness constant K for the spring. Lon ( use conservation of energy)

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 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...

See similar textbooks

Similar questions

The coeffient of static friction between the uniform bar AB of weight W and the ground is 0.45. Find the smallest angle and the corresponding force P that would initiate simultaneous tipping and sliding of the bar.
The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a mean radius of 75 mm. The static and kinetic coefficients of friction between the gear and the screw are 0.12 and 0.06, respectively. The input torque applied to the screw is C0=10Nm. Assuming constant speed operation, determine the output torque C1 acting on the gear.
Calculate the horizontal force P required to push the 85-lb lawn mower at constant speed. The center of gravity of the mower is at G, and the coefficients of rolling resistance are 0.12 for the front wheels and 0.18 for the rear wheels.
Qll Consider the track shown in Figure. The section AB is one quadrant of a circle of radius 2.0m and is frictionless. B to C is horizontal span 3.0m long with coefficient of kinetic friction P=0.25. The section CD under the spring is frictionless .A block of mass 1.0kg is released from A. After sliding on the track, it is observed to compress the spring by 0.20m. Determine a: The velocity of the block at point B. b:The work done by friction as the block slides from B to C. c: The velocity of the block at point C. d: The stiffness constant K for the spring. Lein ( use conservation of energy) (15 Marks)
Q4/From the figure below, ,if the mass of box is 10 kg, the coefficient of friction u=0.4. Draw the free body diagram. Does it will slip or not and tip or not? Why? P = 80 N 30° 0.2 m -0.8 m
A block of mass, m = 20 kg, rests on the inclined plane shown. What is the minimum force, P, required to maintain equilibrium of the block? The static coefficient of friction is 0.2 and the kinetic coeficcient of friction is 0.15 M 25° P 80⁰ Solve the problem and answer the questions that follow.
4 10 points A file cabinet weighing 215 lb is being pushed to the right with a horizontal force P applied a distance h from the floor. The width of the file cabinet is w = 15 in., its mass center G is a distance d = 2 ft above the floor, and static friction is insufficient to prevent slipping between the cabinet and the floor. The coefficient of kinetic friction between the cabinet and the floor is Uk = 0.28. Take the value of P to be 70 lb. 01 0!!! 01 Determine the maximum height ŉ at which the cabinet can be pushed so that it does not tip over, and find the corresponding acceleration of the cabinet. The maximum height at which the cabinet can be pushed so that it does not tip over is The acceleration of the cabinet is 1.466 ft/s². 1.7 x ft.
A uniform ladder is L=5.0m long and weighs 400.0 N. The ladder rests against a slippery vertical wall, as shown. The inclination angle between the ladder and the rough floor is β=53°.Find the normal forces from the floor and from the wall on the ladder and the coefficient of static friction μs at theinterface of the ladder with the floor thatprevents the ladder from slipping
Find the acceleration and tension in the string of the system shown in figure shown. Coefficient of the friction u = 0.3 for all planes of the contact. Pulley is smooth. 60N 120N
The 20 kg symmetrical barrel whose radius is 1m shown in the figure is positioned at rest on the 35 deg. inclined plane by a weight B suspended from a cable wrapped around the barrel. If slipping impends, find B and the coefficient of friction.
A uniform slender bar AB with a mass of 20 kg and length of 3.6 m leans on a wall as shown. It is attached to a weightless small roller at end A on a smooth horizontal surface. The coefficient kinetic friction between end B and the wall is 0.25. If the bar is released from rest in the position shown when θ is 30°. Then find, determine the normal force at A. determine the normal force at B. determine the frictional force between end B and the wall.
0:45] am- Google Chrome du/mod/quiz/attempt.php?attempt=2340155&cmid=742781 P 250 mm 400 mm Time left 0:28:25 A = The following figure shows a spool that has a mass of 130 kg and a radius of gyration kg 0.3 m. If the coefficients of static and kinetic friction at A are μ, 0.86 and 0.81, respectively, and if you know that P 25000N, determine the following: a) Draw free body diagram. b) the angular acceleration of the spool. c) the acceleration of the center of mass of the spool G. d) the normal force at point A. e) the friction force at A. = Q Search % 5 6 7 8 9 00