Homework Answers
m = actual mass = 67 kg
m' = mass shown by the scale = 95 kg
Fn = scale reading or weight shown by the scale = m'g = 95 x 9.8 = 931 N
a = acceleration
force equation for the motion is given as
Fn - mg = ma
931 - (67)(9.8) = (67) a
a = 4.1 m/s2
b)
since the acceleration is positive , hence the direction is upward
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