5. An elevator accelerates downward. What is the relationship between the gravitational force Fa acting on the elevator and the tension F in the cable that supports the elevator?
a) |Fg| = |F|
b) |Fg| > |F|
c) |Fg| < |F|
d) |Fg| = |FI|
e) |Fg| = |F|
6. According to Newton's third law, when you walk across a floor, the force that propels you forward is:
a) the force applied by your feet on the floor
b) the force of friction of your feet on the floor
c) the force of the floor applied against your feet
d) exerted upward by the floor on your feet, i.e., normal force
e) the force acting on you working against gravity