A technician tests a motor that raises a theatre curtain. The technician records the work done by the motor and the moment of a force about the axle of the winding drum. The unit labels being considered are joules and newton-metres.
Which statement about the units of the two quantities is correct?
only joules for work done, but joules or newton-metres for the moment of the force
only newton-metres for work done, but only joules for the moment of the force
joules or newton-metres for both quantities
joules or newton-metres for work done, but only newton-metres for the moment of the force
113 exam-style questions on AQA GCSE Physics 5.2 Work done and energy transfer, covering 5.2 Work done and energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.