Physics (AS & A Level) · May / June 2026 · Paper 11 · Question 11

A ball of mass 0.20 kg is falling vertically through a liquid and has not reached terminal velocity. The upthrust on the ball is 0.65 N. At one instant, the drag force on the ball is 0.50 N. What is the magnitude of the resultant force on the ball at this instant?

1. A0.81 N
2. B1.5 N
3. C1.8 N
4. D2.0 N

As printed in the paper