Homework Help: Physics

Posted by Amelia on Monday, October 22, 2012 at 3:57pm.

007 (part 1 of 2)
An elevator accelerates upward at 1.2 m/s2. The acceleration of gravity is 9.8 m/s2 . What is the upward force exerted by the
floor of the elevator on a(n) 92 kg passenger? Answer in units of N
008 (part 2 of 2)
If the same elevator accelerates downwards with an acceleration of 1.2 m/s2, what is the upward force exerted by the elevator floor on the passenger?
Answer in units of N

Physics - Elena, Monday, October 22, 2012 at 6:04pm
ma= mg - N
N=mg -ma

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