Higher November 2021 Paper 5 Q10
10 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/cm², applied to this rectangular surface.
[The formula for pressure is: Pressure \(= \dfrac{\text{Force}}{\text{Area}}\)] [4]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| 10 nfww | 4 | nfww for 4 marks no errors in calculating values and at least one of 5, 4, 200 or 199 used | |
| M1 for 5 × 4 | Allow for 20 or for 4.9 × 4.1 [20.09] or with one unrounded value [19.6 or 20.5] | ||
| M1 for 200 or 199 used | |||
| M1dep for their 200 ÷ their area, dep on first M1 | Allow for 198.5 ÷ (4.9 × 4.1) | ||