Auto companies frequently tests the safety of the automobiles by putting them through crash tests to observe the integrity of the passenger compartment. If a 1000 kg car is sent down a cement wall with a speed of 14 m/s and the impact brings it to a stop in 8.00 x 10^-2 s, with what average force is it brought to rest? *Use g=9.8   a. 145 000 N b. 212 000 N c. 315 000 N d. 175 000 N   e. 423 000 N

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: