Sol:
Given
M=26.4 kg
h=0.47 R
sinΘ = 1 - 0.47
= 0.53
Θ =sin-¹( 0.53)
Θ= 32.005°
then the Minimum horizontal force will be
Px = 26.40 kg * 9.81m/s² / tan32.005º
= 414.381 N
=414.4 N
Hope this helps you..
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