1. What energy is used to lift school bag?

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1. What energy is used to lift school bag?

2007-02-10 21:08:56 · 4 answers · asked by saipriya 1 in Science & Mathematics ➔ Engineering

4 answers

pure muscle energy

that is chemical energy that is stored in you muscles in teh form of dextrose and oxygene in your blood bound to hemoglobine

I think it is also a matter of will of wanting to lift the schoolbag

2007-02-10 21:13:37 · answer #1 · answered by gjmb1960 7 · 0⤊ 0⤋

jmb is right but if u consider the mechanical energy as well then while u lift it up u r using ur potential and kinetic energy(u r transforming/ giving it to the bag)

2007-02-11 05:17:05 · answer #2 · answered by Anonymous · 0⤊ 0⤋

kinetic energy

2007-02-11 07:44:02 · answer #3 · answered by nonono 3 · 0⤊ 0⤋

chemical. We get if from the food we eat

2007-02-11 07:25:58 · answer #4 · answered by kiwi 2 · 0⤊ 0⤋