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Assertion: Pulling a lawn roller is easier than pushing it.
Reason: pushing increases the apparent weight and hence the force of friction.
Both A and R are true and R is the correct explanation of A
Both A and R are true but R is not the correct explanation of A
A is true but R is false
R is true but A is false
Both the statements are correct. When we push a lawn roller , the normal component of force applied by us increases the effective weight of roller , on the other hand , in pulling normal component of our force decreases the effective weight of roller . Therefore it is easier to pull a roller than pushing it .
By: Abhipedia ProfileResourcesReport error
Viola Davis
How does the weight increase if m& g both remain constant
When pushing a lawn roller , the normal component of force applied by us increases the effective weight of roller. Similarly, on pulling, normal component of our force decreases the effective weight of roller . Therefore it is easier to pull a roller than pushing it .
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