FYKOS Year 39 Series 5 Problem 2 — steel beam · FYKOS 39 #39.5.2
Physics · mechanics
Problem
Jindra needs to move an iron beam of mass m=50kg. You may
consider the beam to be a massive line segment lying on the ground. The
coefficient of static friction between the beam and the ground is $f =
0.80.JindracanexertamaximumpullingorpushingforceF_{\mathrm{Jin}} =
340\,\mathrm{N}$ in any direction. Can Jindra move the beam by his own strength
without using tools or asking other people for help? Support your answer
with a calculation showing whether Jindra can or cannot move the beam.
Mechanics of a point mass