4. The Block with a mass of 4-Kg is hung with a spring. The stiffness constant of the spring K = 10 N/em. The block is at rest position at point A with a 4-cm stretched of spring. Block is pulled down immediately with a force F=100-N Calculate the velocity of block when it passes point B 15. which is 5-cm away from point A. K. 10 N/cm. 4 kg. VA-O 5.cm F = {00-N --.- - VB = ?

4. The Block with a mass of 4-Kg is hung with a spring. The stiffness constant of the spring K = 10 N/em. The block is at rest position at point A with a 4-cm stretched of spring. Block is pulled down immediately with a force F=100-N Calculate the velocity of block when it passes point B 15. which is 5-cm away from point A. K. 10 N/cm. 4 kg. VA-O 5.cm F = {00-N --.- - VB = ?

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...

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2. Find the horizontal force P to start the motion of any part of the system of three blocks resting upon one another as shown. The weight of the blocks are W-300 KN, Ws= 100 KN and Wc =200 KN. Between A and B μ=0.30, between C and B, μ =0.20 and between C and the ground, p=0.10. 1 sni brod nog 02.0-4 B C 05.0-4 Solution: tamos quoy worla bre sosia asquar 005 300 en of jells400 N₁-300 F3 N-300- N₂=300 Assuming B and C will not move. F₁ = 300 (0.30) F₁ = 90 kN ne à bns A zelboß 1 P = 90 kN es ensla berb hebnu 02.0- y elin 05.0= q V in Celpris orllanimetsa MX 008 Assuming C will not move: al 1st F2=400 (0.20) = 80 kN OTE Bm ribirte F₂ vica Assuming the three blocks move: F3 = 0.10 (600) F3 = 60 kN P=60 KN Least force is 60 kN.