Question 1
Section B: answer in the spaces provided. Printed total 40 marks and 50 minutes are confirmed by the supplied key. Four points per parent question and subpart allocations are editorial; no individual scores are printed.
Fluid pressure causes a force on each surface of an immersed object. The pressure on the lower surface is greater than on the upper surface, so the upward force on the bottom exceeds the downward force on the top. The net upward force is the ______ force.
Fluid pressure causes a force on each surface of an immersed object. The pressure on the lower surface is greater than on the upper surface, so the upward force on the bottom exceeds the downward force on the top. The net upward force is the ______ force.