Foundation November 2021 Paper 2 Q20
20 Force is measured in newtons (N).
A force of 198.5 N is applied to a rectangular surface of length 4.9 cm and width 4.1 cm.
Work out an estimate of the pressure, in N/cm\(^2\), applied to this rectangular surface.
[The formula for pressure is: \(\text{Pressure} = \dfrac{\text{Force}}{\text{Area}}\)] [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 10 nfww | 4 | M1 for \(5 \times 4\) M1 for 200 or 199 used M1dep for their 200 \(\div\) their area, dep on first M1 | nfww for 4 marks no errors in calculating values and at least one of 5, 4, 200 or 199 used Allow for 20 or for \(4.9 \times 4.1\) [20.09] or with one unrounded value [19.6 or 20.5] Allow for \(198.5 \div (4.9 \times 4.1)\) |