A warehouse worker does some work by lifting a heavy crate vertically.
He then lifts a second crate.
Which row indicates that the worker is now doing three times as much work?
| Weight of the second crate | Vertical distance the crate is lifted | |
|---|---|---|
| A | is tripled | is halved |
| B | is doubled | is doubled |
| C | is tripled | stays the same |
| D | stays the same | is halved |
A
B
C
D
67 exam-style questions on CIE IGCSE Physics 1.7.2 Work done. Each one has a worked solution and a mark scheme showing where the marks go.