Which statement describes the centre of mass of an object?
The point at which the whole weight of the object can be taken to act
The point at which the object is in contact with the ground below it
The point at which the mass of the object is greatest in one place
The point at which the object has the largest gravitational field
40 exam-style questions on AQA GCSE Physics 5.1 Forces and their interactions, covering 5.1.1 Scalar and vector quantities, 5.1.2 Contact and non-contact forces, 5.1.3 Gravity, and 5.1.4 Resultant forces. Each one has a worked solution and a mark scheme showing where the marks go.