DP Physics (first assessment 2025)

Question 21M.2.SL.TZ2.a

[Maximum mark: 2]

21M.2.SL.TZ2.a

Calculate, for the surface of $Io$ , the gravitational field strength g_Io due to the mass of $Io$ . State an appropriate unit for your answer.

[2]

Markscheme

$« \frac{G M}{r^{2}} = \frac{6.67 \times 10^{- 11} \times 8.9 \times 10^{22}}{{(1.8 \times 10^{6})}^{2}} = » 1.8$ ✓

N kg⁻¹OR m s⁻² ✓

Syllabus sections