science
Grade6
Easy

Question

Potential energy is negative, then the height is

  1. Positive
  2. Negative
  3. Zero
  4. None of the above

hintHint:

Potential energy cannot be negative.

The correct answer is: None of the above


    As we know, 
         Potential energy= mass x gravitational acceleration x height
    The reference of the height is the ground level. So, when the object is on the ground, the potential energy of that object is zero. Thus, the potential energy increases and decreases with height. The height cannot be negative.
    Thus, the answer is none of the above.

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