MCQ
The work done against gravity in taking $10 \,kg$ mass at $1\,m$ height in 1sec will be....$J$
  • A
    $49 $
  • $98$
  • C
    $196 $
  • D
    None of these

Answer

Correct option: B.
$98$
b
(b)Work done$ = mgh = 10 \times 9.8 \times 1 = 98\,J$

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