February/March 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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8Energy Work Power EfficiencyHard1 mark
A motor is used to lift different sized loads through the same vertical height. The power input to the motor is kept constant. The graph of time taken against load lifted is shown.
a graph of time taken against load lifted, a straight line with a positive gradient that does not pass through the origin
Which statement about the efficiency of the motor is correct?