O-LevelPhysicsForces5054/12 · Oct/Nov 2016 · Q91 Mark
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?
AP and Q
BP and R
CP and S
DQ and R
✓ Correct answer
C: P and S
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