Question: q1 abba stands on a scale in an elevator at...
Q1. Abba stands on a scale in an elevator. At rest on the ground floor it reads (224 lbs = 1000 N). At some later time, the elevator has a velocity upward of 5 m/s and acceleration downward of 2 m/s2. What does the scale read?
A. 0 N
B. 500 N
C. 800 N
D. 1000 N
E. 1200 N
Q2.A box with a weight of 100 N is at rest. It is then pulled by a 30 N horizontal force
a) Does the box
b) What is the magnitude of the force of friction (kinetic or static) on it?