Question 2
FThe figure shows a model crane. The horizontal arm of the crane rests on a pivot at point P. A load hangs from one end of the arm and a counterweight hangs from the other end.
Figure: A model crane with a horizontal arm resting on a pivot at point P
a.[2]
The load has a weight of 250 N. Calculate the moment of the load about P.
b.[3]
The arm is balanced. Calculate the weight of the counterweight.
c.[2]
The load is moved closer to P. Explain what must be done to the counterweight to keep the arm balanced.
5.4 Moments, levers and gears Questions
40 exam-style questions on AQA GCSE Physics 5.4 Moments, levers and gears, covering 5.4 Moments, levers and gears. Each one has a worked solution and a mark scheme showing where the marks go.