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If person A reaches the 2nd floor Of a shopping mall by lift and Person B reaches the same floor by stairs and both their masses are same. Is work done by person B is greater than Person A  against gravitational force.Justify your answer
Asked by mailtoparvathyprajith | 06 Feb, 2024, 08:24: PM
answered-by-expert Expert Answer

Person-A reaching first floor by lift . hence work done by person-A is zero .

Person-B is reaching first floor by climbing on stairs .

Hence work done by person-B is ( mgh) > 0 , where m is mass , g is acceleration due to gravity

and h is height of first floor .

Answered by Thiyagarajan K | 06 Feb, 2024, 10:30: PM

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CBSE 9 - Physics
If person A reaches the 2nd floor Of a shopping mall by lift and Person B reaches the same floor by stairs and both their masses are same. Is work done by person B is greater than Person A  against gravitational force.Justify your answer
Asked by mailtoparvathyprajith | 06 Feb, 2024, 08:24: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
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