An object a mass 1 kg is raised through a height `h’ from the ground. Its potential energy is increased by 1 J. Find the height `h’ .
0.102 m
0.105 m
0.130 m
0.110 m
mgh=1J⇒1×9.8×h=1⇒h=19.8=0.102 m
Why does an object increase its energy when raised through a height?