Potential energy of your body is minimum when___________.

you are standing on the ground

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you are sitting on a chair kept on the ground

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you are sitting on the ground

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you lie down on the ground

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Solution

The correct option is D
you lie down on the ground

Potential energy is given by $m g h$ and therefore it will be least when height of the centre of mass of the body from the ground is least. When you lie down on the ground, the height of centre of mass is the least. Hence the potential energy is least in this case

Suggest Corrections

Similar questions

Q. If you are sitting on a chair and swinging your legs, which joints are you moving?

Rewrite the following sentences using proper alternative.

a. The potential energy of your body is least when you are .....

(i) sitting on a chair
(ii) sitting on the ground
(iii) sleeping on the ground
(iv) standing on the ground

b. The total energy of an object falling freely towards the ground ...

(i) decreases
(ii) remains unchanged

(iii) increases
(iv) increases in the beginning and then decreases

c. If we increase the velocity of a car moving on a flat surface to four times its original speed, its potential energy ....

(i) will be twice its original energy

(ii) will not change
(iii) will be 4 times its original energy
(iv) will be 16 times its original energy.

d. The work done on an object does not depend on ....

(i) displacement
(ii) applied force
(iii) initial velocity of the object
(iv) the angle between force and displacement.

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