Correct Answer:
Option C - Given,
m = 12 kg, g = 10 ms⁻², h = 1.5m
As work done by the porter is equal to the potential energy stored in an object.
Therefore, W = mgh
= 12x10x1.5 = 180J
C. Given,
m = 12 kg, g = 10 ms⁻², h = 1.5m
As work done by the porter is equal to the potential energy stored in an object.
Therefore, W = mgh
= 12x10x1.5 = 180J