During a leak test, a rectangular rubber membrane separates the atmosphere from an evacuated chamber. The pressure difference across the membrane is 1.0 × 105 Pa. The membrane is 0.24 m long and 0.15 m wide.
What is the resultant force acting normal to the membrane?
3.6×104 N3.6 \times 10^{4}\ \text{N}3.6×104 N
3.6×103 N3.6 \times 10^{3}\ \text{N}3.6×103 N
3.9×104 N3.9 \times 10^{4}\ \text{N}3.9×104 N
2.8×106 N2.8 \times 10^{6}\ \text{N}2.8×106 N
108 exam-style questions on AQA GCSE Physics 5.5 Pressure and pressure differences in fluids, covering 5.5.1 Pressure in a fluid and 5.5.2 Atmospheric pressure. Each one has a worked solution and a mark scheme showing where the marks go.