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Mathematics 21 Online
OpenStudy (j3nny0rtiz):

please help me!!! An automobile with a mass of 1233 kg accelerates at a rate of 4 m/s² in the forward direction. What is the net force acting on the automobile? N

OpenStudy (j3nny0rtiz):

ill give medal

OpenStudy (n00bstyle):

second law of newton says: sum of all forces equals the mass times its acceleration

OpenStudy (n00bstyle):

so just multiply the two ^^

OpenStudy (n00bstyle):

Btw, do always carry out a check on units: mass = kg acceleration = m/s2 Multiplying will give you kg*m/s2. This equals N So the units satisfy. Just always check on units. It will really help you solve problems.

OpenStudy (steve816):

Remember that F = ma To find the net force, just do 1233 x 4 = 4932 N

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