Answer to Question #126081 in Molecular Physics | Thermodynamics for Albert

Question #126081

a 54 newton horizontal force pushes a 5.0 kg mass sitting on a horizontal surface. Additionally , the horizontal surface exerts a 30 newton frictional force on the mass. What is the acceleration of the mass?


1
Expert's answer
2020-07-14T09:26:31-0400

Solution:

F(total) = F(applied) - F(friction)

F(total) = 54 - 30 = 24N

F(total) = 24N


acceleration:

F(total) = ma


"a = \\tfrac{F(total)}{m}"


"a = 4.8 [ \\tfrac{m}{s^2}]"


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