Physics (AS & A Level) · May / June 2017 · Paper 12 · Question 9

A book of weight W is at rest on a table. A student attempts to state Newton's third law of motion by saying that 'action equals reaction'. If the weight of the book is the 'action' force, what is the 'reaction' force?

1. Athe force W acting downwards on the Earth from the table
2. Bthe force W acting upwards on the book from the table
3. Cthe force W acting upwards on the Earth from the book
4. Dthe force W acting upwards on the table from the floor

As printed in the paper