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Muhammad

بِسمِ اللَّهِ الرَّحمٰنِ الرَّحيمِ

From: Sahiwal Division

Registered: 2012-03-22

Posts: 22,197

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Physics Quiz Question.

Science Quizzes Physics

Question:
It is easier to roll a stone up a sloping road than to lift it vertical upwards because

Option A):
work done in lifting the stone is equal to rolling it
Option B):
work done in both is same but the rate of doing work is less in rolling
Option C):
work done in rolling is more than in lifting
Option D):
work done in rolling a stone is less than in lifting it

Correct Answer is Option D):
work done in rolling a stone is less than in lifting it

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