A person stands on a scale inside an elevator at rest. The scale reads 700 N. a) What is the persons mass? b) The elevator accelerates upward momentarily at the rate of 1.5 m/s squared. What does the scale read then? c) The elevator than moves with a steady (uniform) speed of 4 m/s. What does the scale read?

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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: