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A metallic cube of side length \( 1.5 \mathrm{~m} \) and of mass 3.2 metric ton is on a horizontal rough
\( \mathrm{P} \) floor. The minimum horizontal force that

W. should be applied on the cube at a height \( 1.2 \mathrm{~m} \) from that floor to turn the cube about its lower edge is:
(1) \( 1.96 \times 10^{3} \mathrm{~N} \)
(2) \( 4.9 \times 10^{3} \mathrm{~N} \)
(3) \( 1.96 \times 10^{4} \mathrm{~N} \)
(4) \( 4.9 \times 10^{4} \mathrm{~N} \)
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