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Why pulling is easier than pushing?

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Why pulling is easier than pushing?
  • 2 answers

Mansi Shrivastava 7 years, 7 months ago

when you push there is one component of force that leads to weight of body and hence there is more friction but when you pull the vertical component of force is against the weight of body and hence there is less overall friction, so it is easy to pull than push an object.

Pratik Chakraborty 7 years, 7 months ago

Let us consider a roller of weight w and pulled or pushed by a force F, making an angle (thita) with the horizontal In Pulling, The effective weight of the roller is equal to w-sin (theta) and the effective force acting on the horizontal is f cos (theta) in the forward direction. In Pushing, The effective weight in pushing the roller is equal to w + sin (theta) in the effective force acting in forward direction is the f cos (theta) in the horizontal direction. Since the effective weight of the roller is less in pilling than in pushing hence lesser force is required in pulling with the comparison to pushing therefore it is easier to pull a lawn roller than to push it.
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