Answer :
Final answer:
The gravitational potential energy of a 10 kg object located 2 meters above the ground is 196 Joules. This is calculated using the formula PE = mgh, where m is the mass, g is the acceleration due to gravity, and h is the height.
Explanation:
The gravitational potential energy (U) of an object relative to the ground is calculated using the formula:
U = m * g * h
Where:
U is the gravitational potential energy.
m is the mass of the object (10 kg).
g is the acceleration due to gravity (approximately 9.81 m/s² on Earth).
h is the height above the ground (2 meters).
Substituting the values into the formula:
U = 10 kg * 9.81 m/s² * 2 m = 196.2 J
So, the object's gravitational potential energy relative to the ground is approximately 196.2 Joules, which is closest to option (b) 196 J.
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