Problem: You're carrying a 3.8-m-long, 23kg pole to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 cm from its tip.How much force must you exert to keep the pole motionless in a horizontal position?

FREE Expert Solution

35 cm(1m/100cm) = 0.35 m

Applying rotational equilibrium:

mg(3.8/2) = F(3.8 - 0.35)

View Complete Written Solution
Problem Details

You're carrying a 3.8-m-long, 23kg pole to a construction site when you decide to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 cm from its tip.

How much force must you exert to keep the pole motionless in a horizontal position?