Pulling a roller is easier than pushing because
(a) When we pull a roller, the vertical component of the pulling force acts in the direction of weight
(b) The vertical component of the pulling force acts in the opposite direction of weight
(c) Force of friction is in opposite direction
(d) It is possible in the case of roller only.
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When the lawn roller is pulled, the normal component decreases that means the cosine component of force decreases. ... Therefore we can say that it is easier to pull the lawn roller than to push it because the normal component of force decreases when the lawn roller is pulled.
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