Physics
Grade-7
Easy

Question

What is the new gravitational potential energy when the height becomes
h over 4

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

hintHint:

When the height is h/4, the gravitational potential energy is GPE/4.

The correct answer is: fraction numerator G P E over denominator 4 end fraction


    • The gravitational potential energy is directly proportional to the height of the object.
    • When the height becomes h/4,
    •  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 4 right parenthesis
space space space space space space space space space space equals 1 fourth m g h
space space space space space space space space space space equals space fraction numerator G P E over denominator 4 end fraction

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