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A hockey puck of mass 150 g is sliding south along the ice and slows at a rate of 1.2m/s2. What is the net force acting on the puck?

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Answer: another force on puck?

Force is a vector quantity characterized by the rate of change of momentum.

Mathematically, it is the product of mass and acceleration.

F = m × a

=> F = (150/1000) × (-1.2)

=> F = -0.18 kg m/s²

=> F = -0.18 N

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