525_Dynamics 11ed Manual

525_Dynamics 11ed Manual - e + N A e = F N A N B Find F N A...

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

View Full Document Right Arrow Icon
Engineering Mechanics - Dynamics Chapter 17 a N A N B Find aN A , N B , () = a 4.83 ft s 2 = N A N B 105.0 95.0 lb = d 1 2 at 2 = d 9.66 ft = * Problem 17-32 The door has weight W and center of gravity at G . Determine the constant force F that must be applied to the door to push it open a distance d to the right in time t , starting from rest. Also, find the vertical reactions at the rollers A and B . Given: W 200 lb = c 5f t = t 5s = d 12 ft = d 12 ft = e 6f t = b 3f t = g 32.2 ft s 2 = Solution: a 2 d t 2 = a 0.96 ft s 2 = Guesses F 1lb = N A 1lb = N B 1lb = Given F W g a = N A N B + W 0 = Fc b () N
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: e + N A e = F N A N B Find F N A , N B , ( ) = F N A N B 5.96 100.99 99.01 lb = Problem 17-33 The fork lift has a boom with mass M 1 and a mass center at G . If the vertical acceleration of the boom is a G , determine the horizontal and vertical reactions at the pin A and on the short link BC when the load M 2 is lifted. 523...
View Full Document

Ask a homework question - tutors are online