An electric motor pulls the car from A to B at a steady speed - Edexcel - GCSE Physics - Question 3 - 2016 - Paper 1

To find the work done by the electric motor as it pulls the car from A to B, we need to calculate the change in gravitational potential energy, given by the formula:

$PE = m imes g imes h$

Where:

• $m$ = mass (9500 kg)
• $g$ = gravitational field strength (10 N/kg)
• $h$ = height change (18 m)

Substituting the values, we have:

$PE = 9500 imes 10 imes 18 = 1710000 ext{ J}$

Therefore, the work done on the car and passengers is 1710000 J or 1710 kJ.