Physics · Oct / Nov 2016 · Paper 12 · Question 9

A man with an open parachute is falling to Earth at constant speed. The following forces are acting. P the upward force of the parachute on the man. Q the upward force of the man on the Earth. R the downward force of the Earth on the parachute. S the downward force of the man on the parachute. Which two forces are a Newton's third law pair?

1. AP and Q
2. BP and R
3. CP and S
4. DQ and R

As printed in the paper