3. The 12-kg block shown rests on the smooth incline. If the spring is originally stretched 0.5 m, determine the total work done by all the forces acting on the block when a horizontal force P = 400 N pushes the block up the plane s = 2 m. s=2m Initial position of spring 2 sin 30⁰ m -k=30 N/m -2 cos 30° m- 400 N 30°

3. The 12-kg block shown rests on the smooth incline. If the spring is originally stretched 0.5 m, determine the total work done by all the forces acting on the block when a horizontal force P = 400 N pushes the block up the plane s = 2 m. s=2m Initial position of spring 2 sin 30⁰ m -k=30 N/m -2 cos 30° m- 400 N 30°

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.38P: The 40-kghomogeneous disk is placed on a frictionless inclined surface and held in equilibrium by...

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