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A student attaches a rope to a 6.7 kg box of books. He pulls with a force of 32 N at an angle of 30° with the horizontal. The coefficient of kinetic friction between the box and the sidewalk is 0.32. Find the acceleration of the box.

Respuesta :

andrewsikaumbwe

Answer:

a=2.6m/s2

Explanation:

a=FNet÷M

F=32cos30=27.71N

FN=6.7×9.81sin30=32.86N

f=32.86×0.32=10.52N

Fnet=F-f

Fnet=27.71-10.52=17.19N

a=17.19÷6.7=2.6m/s2

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