The table shows four forces applied to the same pivoted bar. Each force acts at right angles to the bar. Which force produces the largest moment?
| Force | Size in N | Distance from pivot in cm |
|---|---|---|
| P | 8 | 30 |
| Q | 12 | 15 |
| R | 6 | 35 |
| S | 10 | 20 |
Force Q
Force S
Force R
Force P
102 exam-style questions on Edexcel GCSE Physics 9.2 Moments, covering 9.2.1 Rotational effects of forces and moments, 9.2.2 The principle of moments, and 9.2.3 Levers and gears. Each one has a worked solution and a mark scheme showing where the marks go.