Question 22
FTwo children, A and B, sit on a seesaw.
The Figure shows the seesaw.
Figure
The seesaw is balanced and horizontal.
a.[2]
State the principle of moments.
b.[2]
Calculate the moment of child A about the pivot.
c.[3]
Calculate distance ddd.
d.[2]
Child B moves further away from the pivot.
Describe what happens to the seesaw. Give a reason for your answer.
9.2 Moments Questions
102 exam-style questions on Edexcel GCSE Physics 9.2 Moments, covering 9.2.1 Rotational effects of forces and moments, 9.2.2 The principle of moments, and 9.2.3 Levers and gears. Each one has a worked solution and a mark scheme showing where the marks go.