A supply crate is being lifted vertically by a helicopter. The total weight of the crate is 4200 N. The upward lifting force exerted by the helicopter's cable on the crate is 4800 N.
What is the resultant force on the crate?
600 N600\text{ N}600 N downwards
600 N600\text{ N}600 N upwards
9000 N9000\text{ N}9000 N downwards
9000 N9000\text{ N}9000 N upwards
183 exam-style questions on CIE IGCSE Physics 1.5.1a Forces, resultant force and motion. Each one has a worked solution and a mark scheme showing where the marks go.