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→Calculating Weight from Mass and Gravitational Field Strength
| style="height:20px; width:200px; text-align:center;" |'''[[The Moon]] has a [[Gravitational Field Strength|gravitational field strength]] of 1.6[[N/kg]]. Calculate the weight of a 85[[kg]] astronaut on [[The Moon]] correct to two [[Significant Figures|significant figures]].'''
|-
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''m = 25[[kg]]
g<sub>Earth</sub> = 9.8[[N/kg]]
<math>W \approx 250N </math>
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''m = 550[[kg]]
g<sub>Deep Space</sub> = 0[[N/kg]]
| style="height:20px; width:200px; text-align:left;" |'''1. State the known quantities in [[SI Unit]]s.'''m = 550[[kg]]
m = 85[[kg]]
g<sub>The Moon</sub> = 1.6[[N/kg]]
<math>W \approx 140N </math>
| style="height:20px; width:200px; text-align:left;" |'''2. [[Substitute (Maths)|Substitute]] the numbers into the [[equation]] and [[Solve (Maths)|solve]].'''
<math>W = m \times g </math>
<math>W = 245N </math>
<math>W = m \times g </math>
<math>W = 0.0N </math>
| style="height:20px; width:200px; text-align:left;" |m = 85'''2. [[kgSubstitute (Maths)|Substitute]]the numbers into the [[equation] g<sub>The Moon</sub> = 1.6] and [[N/kgSolve (Maths)|solve]].'''
<math>W = m \times g </math>
<math>W = 136N </math>
|}