Identifying Redundant Vectors from a 1x4 Matrix - Physics Forums
May 12, 2009 · im given four vectors as a 1x4 matrices: [1,4,2,8]^t = v1 [2,5,3,9]^t = v2 [11,14,12,18]^t = v3 [4,3,2,1]^t = v4 How can i know which if any of...
Why are two pieces of wood stronger when bound together?
Sep 22, 2020 · The discussion centers on the structural strength of two 2x4s bound together compared to a single 4x4. Key points include that the two 2x4s can distribute loads more effectively due to the …
Building a wood bed platform - how much will it support?
Sep 6, 2011 · Because of size constraints in my room, I need a platform for my queen size bed that is the exact footprint of the bed (60" x 80"). I've decided to attempt to build it however I have no …
Basic Newton's Laws and Applied Force: 3 boxes - Physics Forums
Jul 16, 2015 · The discussion focuses on calculating the acceleration, net forces, and contact forces between three boxes on a frictionless surface, with masses m1 = 10 kg, m2 = 20 kg, and m3 = 30 kg, …