science
Grade6
Easy
Question
If a body is on the ground, then the potential energy is
- Infinity
- Zero
- Negative
- Positive
Hint:
Potential energy depends on the height of the object from the ground.
The correct answer is: Zero
When the object is on the ground, the potential energy is zero because potential energy depends on the height of the body.
PE=mgh
Where, PE= Potential energy, m= mass of the object, g= gravitational acceleration, and h= height,
Now, h=0, as the object is placed on the ground.
According to the formula,
PE=
Thus, potential energy is zero.
Hence, when the object is on the ground the potential energy of the object is zero.
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