The average force applied to a 7 kg box, which accelerates from 2 m/s to 4 m/s over a horizontal distance of 5 meters with a coefficient of kinetic friction of 0.1, is calculated to be approximately 10.2 N. This calculation involves determining the net force required for acceleration and accounting for the frictional force opposing the motion. The frictional force is calculated using the formula F_friction = μ * m * g, where μ is the coefficient of kinetic friction, m is the mass, and g is the acceleration due to gravity.
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