1. Ancilla (mass 57 kg) goes skydiving. At one point in her descent, the force of air resistance on Ancilla and her parachute is 670 N [up]. (a) What is the force of gravity on Ancilla? (b) What is the net force on Ancilla? (c) What is Ancilla's acceleration?

2. Ancilla (mass 57 kg) goes skating with Wayne Gretzky (mass 83 kg). At one point when both are standing motionless on the ice, she gives Wayne a push of 200 N [S]. (a) What is Wayne's acceleration? (b) What force does Wayne exert on Ancilla? (c) What is Ancilla's acceleration?