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Mass is 8 kg and gravity is 10 m/s2
So, force= 8* 10= 80 N
Now, displacement is 16 cm ( to make the metal block stand erect) { Suggestions: Try practically with a simple pencil box}
So work done= force* Displacement
= 80N* 0.16 m
= 12.8 Nm = 12.8 J
So, the correct option is (d)
So, force= 8* 10= 80 N
Now, displacement is 16 cm ( to make the metal block stand erect) { Suggestions: Try practically with a simple pencil box}
So work done= force* Displacement
= 80N* 0.16 m
= 12.8 Nm = 12.8 J
So, the correct option is (d)
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