Physics (AS & A Level) · Oct / Nov 2017 · Paper 13 · Question 13

A solid sphere falls at constant (terminal) velocity in a liquid. The three forces acting on the sphere are shown in the diagram. How are the three forces related?

1. AW + D = U
2. BW > U + D
3. CW – U = D
4. DW < D + U

As printed in the paper