Answered

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A 65 kg woman is inside an elevator. (A) Calculate her apparent weight (normal force) in Newtons if the elevator moves at constant speed of 10 m/s downward. Be sure to keep 3 significant digits.

Sagot :

Answer:

W = 637 N

Explanation:

For this exercise we will use Newton's second law

         F -W = m a

where F is the force, m the mass and the acceleration

in this case the force is the weight of the body and as the elevator goes at constant speed the acceleration is zero

         F = W

         a = 0

       

          F = W

          W = m g

          W = 65 9.8

          W = 637 N

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