A 450 kg horse starts a running. If the horse is accelerating at 1.2 m/s2, which force is closest to the net force acting on the vehicle?*

Force of 540 Kgm/s^2 is closest to the net force acting on the vehicle.

Explanation:

Force is the change in momentum per unit time

This relationship is equivalent to product of mass and acceleration

Thus F = Mass * acceleration

Substituting the given values in above equation we get -

F = 450 Kg * 1.2 m/s^2

F = 540 Kgm/s^2

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