Physics
Grade-7
Easy

Question

What is the new gravitational potential energy when the height becomes
h over 2

  1.  2 space G P E
  2.  fraction numerator G P E over denominator 2 end fraction
  3.  4 space G P E
  4.  fraction numerator G P E over denominator 4 end fraction

hintHint:

If the height of an object becomes 4/h, the gravitational potential energy will be GPE/2.

The correct answer is: fraction numerator G P E over denominator 2 end fraction


    • The change in height triggers the gravitational potential energy of the body as they are directly proportional to each other.
    •   G P E apostrophe equals m g h to the power of apostrophe
space space space space space space space space space space equals m g left parenthesis h over 2 right parenthesis
space space space space space space space space space space equals 1 half m g h
space space space space space space space space space space equals space 1 half G P E

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