Search any question & find its solution
Question:
Answered & Verified by Expert
While a person climbs stairs, the gravitational potential energy of the person increases. The source of this energy is
Options:
Solution:
1549 Upvotes
Verified Answer
The correct answer is:
Work done by internal forces within the person's body
When a person climb stairs, work is done against the Gravitational force which is acting in the downward direction.
This work against gravity is done by the cost of internal forces within the person's body. Hence option (4) is the correct answer.
This work against gravity is done by the cost of internal forces within the person's body. Hence option (4) is the correct answer.
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.