Work Energy And Power Question 236

Question: One man takes 1 min. to raise a box to a height of 1 metre and another man takes 1/2 min. to do so. The energy of the

Options:

A) Two is different

B) two is same

C) first is more

D) second is more

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Energy required $ =mgh $ In both cases, h is the same. Hence energy both is the same.



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