An apprentice does work by pushing a heavy cart across a workshop floor.
She now pushes a second cart across the same floor.
Which row in the table below indicates that the apprentice does half as much work on the second cart compared to the first?
| Force used to push cart | Distance the cart is pushed | |
|---|---|---|
| A | is doubled | is halved |
| B | is halved | stays the same |
| C | stays the same | is doubled |
| D | is doubled | is doubled |
Row A
Row B
Row C
Row D
533 exam-style questions on CIE IGCSE Physics 1.7 Energy, work and power, covering 1.7.1a Energy stores and energy transfers, 1.7.1b Conservation of energy, 1.7.1c Kinetic and gravitational potential energy, 1.7.2 Work done, 1.7.3 Energy resources, 1.7.3a Energy resources and electricity generation, 1.7.3b Nuclear fusion as an energy source, 1.7.3c Efficiency of energy transfer, and 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.