demekefanos demekefanos

27-05-2021
Physics

contestada

a box of mass 4kg slides on the horizontal surface with kinetic frictional force of 8N. what coefficient of friction between the box and horizontal surface

Respuesta :

andrewsikaumbwe andrewsikaumbwe

29-05-2021

Answer:

ų=0.8

Explanation:

F=mg

F=4×9.81=39.24N

Ff=Fn-F

=39.24-8=31.24

ų=Ff÷Fn

=31.24÷39.24

=0.8

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