AQA · GCSE · Combined Science · Higher

Gravitational field strength, mass and weight equation

Q01.3 1 mark

Write down the equation that links gravitational field strength ( $g$ ), mass ( $m$ ) and weight ( $W$ ).

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Marking points

1 Give the equation $W=mg$ , or state that weight = mass × gravitational field strength.

Full-mark answer

$W=mg$

Why this answer loses marks

weight = mass ÷ gravitational field strength

Weight is mass multiplied by gravitational field strength, not divided by it.