Question

Explain why it is easier to drag a mat on floor when nobody is sitting on it but it is more difficult to drag the same mat when a person is sitting on it.

Please

Answer 1

bcoz the weight will be more and we hv to apply greater pressure which is difficult for us
★★★★

Answer 2

because there is a mass resting on the mat which gives a force mg downwards

but when no one is seated on your mat it is easy to pull because now the mass is not there so the only force acting on it is g