a woman lifts a ball 2m in 5 s . if she lifts it by the same distance in 10 s , the work done by her is
Answers
Answered by
9
Explanation:
Work done in all cases will be same, only power will be different since the ball is being raised to same height everytime .
W/t = P
Answered by
3
Answer:
work done by her would be same
Explanation:
Work done against gravity 'w'=mgh--------(1)
so wd/WD=mgh/mgh
since mass is constant
and gravity is 9.8 N in both case
and from above cases h is also same
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