Calculate the magnitude of acceleration of a block that has a mads of 2.0 kg and is pulled along a table by a force of 15 n. the coefficient of kinetic friction between the block and surface is 0.25

5.05 ms⁻²

Explanation:

(check the graph)

when the block is pulled with a force , force of kinetic friction (Fr) appears resisiting the motion.

Fr = μR = μ*mg   (where g- gravitational acceleration = 9.8 ms⁻²)

   = 0.25 * 2 * 9.8

   =4.9 N

According to Newton's second law of motion

we can apply F = ma to the motion assuming the block is moving right

F = ma  (a - acceleration)

15 - 4.9 = 2*a

a = 5.05 ms⁻²

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