Question

The figure below shows forces acting at various points on a metal bar. The angles $\alpha = 46^\circ$, $\beta = 31^\circ$, $\gamma = 25^\circ$. The length $l = 3.6$ m. Find the net torque (in N $\cdot$ m) on the bar about the following axes. (a) an axis through O perpendicular to the page magnitude 52.46 N $\cdot$ m direction (b) an axis through C perpendicular to the page magnitude 46.45 N $\cdot$ m direction

Name: the figure below shows forces acting at various points on a metal bar the angles alpha 46circ beta 31circ gamma 25circ the length l 36 m find the net torque in n cdot m on the bar about the 29854
Uploaded: 2023-01-18T03:25:30-08:00
Duration: 1 min 24 s
Channel: Sri K
Description: the figure below shows forces acting at various points on a metal bar the angles alpha 46circ beta 31circ gamma 25circ the length l 36 m find the net torque in n cdot m on the bar about the 29854

          The figure below shows forces acting at various points on a metal bar. The angles $\alpha = 46^\circ$, $\beta = 31^\circ$, $\gamma = 25^\circ$. The length $l = 3.6$ m. Find the net torque (in N $\cdot$ m) on the bar about the following axes.

(a) an axis through O perpendicular to the page
magnitude 52.46 N $\cdot$ m
direction

(b) an axis through C perpendicular to the page
magnitude 46.45 N $\cdot$ m
direction

the figure below shows forces acting at various points on a metal bar the angles alpha 46circ beta 31circ gamma 25circ the length l 36 m find the net torque in n cdot m on the bar about the 29854

Added by Dylan E.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Sri K

01/18/2023

Step 1

Torque due to 30 N force: $\tau_{30} = 30 \times l \times \sin(\alpha) = 30 \times 3.6 \times \sin(46^\circ) = 77.66$ N$\cdot$m (counterclockwise) Torque due to 10 N force: $\tau_{10} = 10 \times l \times \sin(\gamma) = 10 \times 3.6 \times \sin(25^\circ) = 15.18$ Show more…

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The figure below shows forces acting at various points on a metal bar. The angles $\alpha = 46^\circ$, $\beta = 31^\circ$, $\gamma = 25^\circ$. The length $l = 3.6$ m. Find the net torque (in N $\cdot$ m) on the bar about the following axes. (a) an axis through O perpendicular to the page magnitude 52.46 N $\cdot$ m direction (b) an axis through C perpendicular to the page magnitude 46.45 N $\cdot$ m direction