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The force F shown in Figure 4.30 has a moment of 40 Nm about the pivot. Calculate the magnitude
of the force F.

The Force F Shown In Figure 430 Has A Moment Of 40 Nm About The Pivot Calculate The Magnitude Of The Force F class=

Sagot :

[tex]\boxed{\sf \tau=rFsin\theta}[/tex]

Put values

[tex]\\ \rm\hookrightarrow 40=2Fsin40[/tex]

[tex]\\ \rm\hookrightarrow Fsin40=20[/tex]

[tex]\\ \rm\hookrightarrow 0.64F=20[/tex]

[tex]\\ \rm\hookrightarrow F=31.25N[/tex]

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