Question

A 8-m-long, 510 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66 kg construction worker stands at the far end of the beam. What is the net torque on the beam

Answer 1

Answer:

$T=25166.4Nm$

Explanation:

From the question we are told that:

Mass of beam $m_b=510kg$

Length $l=8m$

Mass of Worker $M_w=66kg$

Given the Weight acting on the Beam

Generally the equation for net torque on the beam is mathematically given by

$T=\frac{l}{2}m_bg+(lm_wg)$

$T=\frac{8}{2}*510*9.8+(8*66*9.8)$

$T=25166.4Nm$

$T=25.2kNm$