A boy pushed horizontally a 3.5 kg plastic chair across the slippery floor . If the acceleration of the plastic chair is 2.2 m/s² to the left , what is the net force exerted on the plastic chair?
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s² to the left , what is the net force exerted on the plastic chair?
Answer:
Given: m= 3.5 kg
a= 2.2 m/s2, to the left
F=(3.5 kg)(2.2 m/s2)= 7.7 kg . m/s2 or 7.7N , to the left