The weight of the stationary box is 39.6 kg. The spring has a length of 0.18 m, an unstretched length of 0.23 m, and a spring constant of 2513 N/m. µs = 0.60 is the coefficient of static friction between the box and the sloped surface. Determine the amount of the force exerted by friction on the container.

The weight of the stationary box is 39.6 kg. The spring has a length of 0.18 m, an unstretched length of 0.23 m, and a spring constant of 2513 N/m. µs = 0.60 is the coefficient of static friction between the box and the sloped surface. Determine the amount of the force exerted by friction on the container.

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 7.63P: The leather rein used to fasten the horse to the hitching rail weighs 3.5 oz per foot. The...

See similar textbooks

Similar questions

The normal pressure acting on the disk of the sander is given by p=(4/3)+(r2/6), where p is the pressure in pounds per square inch (psi) and r represents the radial distance in inches. Determine the torque C required to operate the sander at constant speed if the kinetic coefficient of friction for the surface being sanded is 0.86.
The leather rein used to fasten the horse to the hitching rail weighs 3.5 oz per foot. The coefficient of static friction between the rail and the rein is 0.6. If a 34-lb force acting on the bridle is sufficient to restrain the horse, determine the smallest safe length L for the free end of the rein.
Q1 Problem 1 Problem 1 A ladder with mass 20 kg is in equilibrium leaning against a frictionless wall. The bottom of the ladder rests on the floor; the coefficient of static friction between the ladder and the floor is 0.6. If the ladder makes an angle of 60° from the floor, find e=60° (a) the magnitude of the vertical normal force exerted on the ladder by the floor, (b) floor. the magnitude of the horizontal static friction force exerted on the ladder by the (c) What is the minimum angle the ladder can make with the floor without slip- ping?
The weight of the cylindrical tank is negligible in comparison to the weight of water it contains. The coefficient of static friction between the tank and the horizontal surface is µs. 30 -r = 1.5 ft 5 ft Assuming a full tank, find the smallest force P required to tip the tank. c. 655.55 lb d. 722.22 lb Determine the smallest µs that would allow tipping to take place. c. 0.422 d. 0.189 a. 567.41 lb b. 823.11 lb a. 0.256 b. 0.332 If the force P=350 lb initiates tipping, determine the depth of water in the tank. с. 4.22 ft d. 3.45 ft а. 3.08 ft b. 2.89 ft
The 500KN block shown is in contact with a 45°incline. The w coefficient of friction is 0.25. Determine the horizontal force P necessary to 1.Just start the block up the 45° incline 2.Just to prevent the motion down the incline. 3.lf P=400KN, what is the amount and direction of friction force?
The coefficients of friction between the block ana the rail are us= 0.25 and uk= 0.20. Given: P2 = 200 N. P1 350 P2 Find the magnitude and direction of the smallest force P1 required to start the block moving up the rail. (You must provide an answer before moving on to the next part.) The magnitude and direction of the smallest force P1 required to start the block moving up the rail is °. N v (Click to select)
2. A square threaded screw of mean diameter 25 mm and pitch of thread 6 mm is utilised to lift a weight of 10 kN by a horizontal force applied at the circumference of the screw. Find the magnitude of the [Ans. 966 N] force if the coefficient of friction between the nut and screw is 0.02. A bolt with a squore threaded screw has mean diameter of 25 mm and a nitch of 23 mm It carries an
consider the mass and pulley system in the attached file. mass m1 = 29 kg and mass m2 = 12kg. the angle of the inclined plane is given and the coefficient of kinetic friction between mass m2 and the inclined plane is uk = 0.12. assume the pulleys are massless and frictionless when mass m2 moves a distance 4.94 m up the ramp, how far downward does mass m1 move? d= ?
. A 25-kg ladder, 4 m long, rests on a rough floor and against a vertical wall. The ladder makes an angle of 350 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 (µf) at the floor.
A cube with mass of m=80N is on the inclined plane with angle of phi=20 degrees. coeficient of static friction /mu_s = 0.25 coeficient of dynamic friction /mu_k = 0.15 Determine: what is the smallest size of the force F parallel to the inclined plane, which prevents the cube in the slide? what is the smallest size of the force F, which the cube starts to move along the inclined plane up? At what value of the force F starts the cube to rise at a constant speed?
A crate of 60 kg simply stands on the moving cart with constant acceleration a. The height from the center of gravity to the cart is L, and the incline has angle. The coefficient of static friction between the crate and the cart is g = {ms}. Match the following situations to the correct impending motion: if sliding will occur first or if tipping over will occur first? 0.5 m 0.5 m 0 G L = 1.2 m; 0= 7°, μg = 0.29. L = 1.0 m; = 13°, μg = = 0.45. L = 1.5 m; 0.3. 0 = 15, μs = L = 1.5 m; = 15°, µg = 0.5. L = 1.4 m;0= 7°, μl g= 0.4. a 1. Tipping over will occur first. 2. Sliding will occur first.
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°