Homework Answers
The gravitational potential energy is the energy that is stored in any object because of its position.
The gravitational Potential energy is = mgh
Where m= mass
g = gravitational acceleration
h= height
The height of bag uplift = 0.42 meters
Now we have the weight which is 8 N
Weight in Newton = mass × gravitational acceleration
So if we have weight, Potential energy is = w×h
So the gravitational potential energy if bag after 42 cms of uplift is = 8.1 Newton × 0.42 meter= 3.402 joules
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