While an elevator of mass 2620 kg moves upward, the tension in the cable is 48.9 kN. Assume the elevator is supported by a single cable. Forces exerted by the guide rails and air resistance are negligible. What is the acceleration of the elevator? If the acceleration is in upward direction, enter a positive value and if the acceleration is in downward direction, enter a negative value. If at some point in the motion the velocity of the elevator is 1.20 m/s upward, what is the upward velocity of the elevator 4.00 s later?

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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: