What is the Reason of Below Sentence

It is easier to roll a stone up a sloping road than to lift vertically upwards because

  1. work done in rolling the stone is less than in lifting it.
  2. work done in both is same but the rate of doing work is less in rolling.
  3. work done in rolling the stone is more than in lifting it.
  4. work done in lifting the stone is equal to rolling it.
Monis Rasool Professor Asked on 13th September 2015 in Physics.
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    work done in rolling the stone is more than in lifting it

    It is easier to roll a stone up a sloping road than to lift vertically upwards because work done in rolling the stone is more than in lifting it.

    Monis Rasool Professor Answered on 16th September 2015.
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