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Q)

Asked by araima2001 5th December 2016, 9:34 AM
Answered by Expert
Answer:
Pulling a lawn roller:
The vertical component of the force applied acts in upward direction. Due to this, apparent weight of the lawn roller decreases i.e.,
Wapparent = mg - Fv
Pushing the lawn roller: 
The vertical component of the force applied acts in downward direction. Due to this, apparent weight of the lawn roller eventually increases i.e.,
Wapparent = mg + Fv
Hence it is easier to pull a lawn roller than to push.
Correct option is (a).
Answered by Expert 5th December 2016, 11:28 AM
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