99_Problem CHAPTER 10

99_Problem CHAPTER 10 - PROBLEM 10.87 The 12-kg block D can...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
PROBLEM 10.87 The 12-kg block D can slide freely on the inclined surface. Knowing that the constant of the spring is 480 N/m and that the spring is unstretched when 0, θ = determine the value of corresponding to equilibrium. SOLUTION First note, by Law of Cosines () 2 2 2 0.4 0.4sin 2 0.4 0.4sin cos 22 2 d θθ  =+   or 2 0.4 1 sin sin m 2 d Now 2 1 2 SP D D Vk x m g y =− ()( ) 2 0 1 0.4 sin60 2 AD D kr mg y d = −+ ° 2 0 1 0.4 0.4 1 sin sin D kr m g y = + °
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.

Ask a homework question - tutors are online