The work done against gravity in taking 10 ~kg mass at 1 ~m heigh… - Vidyadip

MCQ

The work done against gravity in taking $10 \mathrm{~kg}$ mass at $1 \mathrm{~m}$ height in lsec will be

A
$49 \mathrm{~J}$
✓
$98 \mathrm{~J}$
C
$196 J$
D
None of these

✓

Answer

Correct option: B.

$98 \mathrm{~J}$

(b) Work done $=m g h=10 \times 9.8 \times 1=98 \mathrm{~J}$

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