The 2-lb collar is released from rest at A and slides down along the smooth rod as shown in (Eigure 1). igure <10f1 > ▾ Part A If the attached spring has a stiffness 5 lb/ft, determine its unstretched length so that it does not allow the collar to leave contact with the top surface of the rod until -60° Express your answer in feet to three significant figures. [35] ΑΣΦ 16= Submit Provide Feedback Request Answer A CIE ft

The 2-lb collar is released from rest at A and slides down along the smooth rod as shown in (Eigure 1). igure <10f1 > ▾ Part A If the attached spring has a stiffness 5 lb/ft, determine its unstretched length so that it does not allow the collar to leave contact with the top surface of the rod until -60° Express your answer in feet to three significant figures. [35] ΑΣΦ 16= Submit Provide Feedback Request Answer A CIE ft

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 7.60P: The force P applied to the brake handle enables the band brake to reduce the angular speed of a...

See similar textbooks

Similar questions

Draw the FBD for the bar described in Prob. 5.1 if the bar is homogeneous of mass 50 kg. Count the unknowns.
The 2-1b block is released from rest at A slides down along the smooth cylindrical surface. The attached spring has a stiffness k = 2.6 lb/ft . (Figure 1) Figure Part A lo = μĂ Value 2 ft Determine its unstretched length so that it does not allow the block to leave the surface until () = 60 ° . Express your answer to three significant figures and include the appropriate units. Submit Request Answer Units wwwwwww. ? < 1 of 1
The 10 N cylinder moves in a friction tube. Spring constants are k1 = 150 N / m and k2 = 200 N / m. When the system is at rest, d = 0.5 m. The system rotates around a fixed z-axis. In the case where d = 0.12 m, what is the coefficient of friction for the cylinder to have a constant velocity of 9.825 m / s?
For a short period of time, a m = 3400 kg truck has a frictional driving force of FD= (650- +²) N acting on the wheels, where t is in seconds. At t = 0, the truck has a speed of of v₁. V₁ t = 0 21 Values for the figure are given in the following table. Note the figure may not be to scale. Variable Value m 5- s v2 = m Using the Principle of Linear Impulse and Momentum, a. Determine the speed of the truck when t = 3 s, v2. FD = f(t) Round your final answers to 3 significant digits/figures. m S V₂ t2
In Fig. 5-14, the two boxes have identical masses of 40 kg. Both experience a sliding friction force with u 0.15. Find the acceleration of the boxes and the tension in the tie cord. 08T 30 30 0.Sme Fig. 5-14 Note: Draw the free-body diagram for objects A and B.
A W = 58 lb block is pushed with a force that is defined by the equation F = (50+ s²) lb. The coefficient of kinetic friction of the block and surface is μ = 0.2. The spring is initially unstretched/uncompressed. s = 1 ft. F = f(s) k Values for the figure are given in the following table. Note the figure may not be to scale. Variable Value lb ft 01 30 degrees Using equations of motion in rectangular coordinates and principle of work and energy, N (s) = P = 16 Vfinal = The block is initially at rest. At the instant, the block has moved a distance of a. Find an equation for the normal reaction between the block and surface as a function of s, N(s). b. Determine final velocity of the block, Vfinal. c. Determine the power developed by the force at the instant, P, in horsepower. m Round your final answers to 3 significant digits/figures. Round your coefficients in equations to 3 significant digits/figures. lb S hp k ft S
pls answer fast thank you A system of blocks is shown in the figure. Assume the pulley is frictionless *show FBD 1. Which of the following most nearly gives the least value of P required to prevent the system of blocks from sliding to the left? 2. Which of the following most nearly gives the least value of P required to cause the system of blocks to have impending motion to the right? 3. Which of the following most nearly gives the reaction at the pulley if the system of blocks is to have an impending motion to the right?
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= ?
The 18-lb box shown is attached to a spring that has a k=2 lb/in and an unstretched length of 14 inches. As shown the spring is stretched to a length of 20 inches. Solve for the unknown force P needed to keep the block in equilibrium. What is the normal force on the block? Assume the surface is smooth. (Note, "smooth" tells you friction is small enough to be neglected.) 20" TTTTTT P
Q Search 1. The ramp in Figure is frictionless. If the blocks are released from rest, which way does the 10 kg block slide, and what is the magnitude of its acceleration? 10 kg S0kg 40 2. In the diagram below, block A weighs 100N. The coefficient of static friction between the block and the surface on which it rests is 0.40. Find the maximum weight w for which the sVstem will remain in equilibrium.
The figure shows a spool and a vertical force of P = 250 N is applied to the cable. Determine the following: a) The acceleration of G, b) The angular acceleration of the spóol, and c) The Friction force. where the coefficients of static and kinetic friction between the 400mm of 200mm rail and the spool are u, = 0.25 and u = 0.2, respectively. The mass of the spool is 150 kg. The radius of gyration of the spool is kg = 250 mm (about its center of mass G). The Friction force (N) = Choose... + The acceleration of G (m/s2) = %3D Choose... + The angular acceleration of the spool (rad/s2): Choose...
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