DP Physics (first assessment 2025)

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Question 22M.1A.SL.TZ1.7

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ1.7
Level SL Paper 1A Time zone TZ1
Command term Question number 7 Adapted from N/A
7.
[Maximum mark: 1]
22M.1A.SL.TZ1.7

A book is at rest on a table. One of the forces acting on the book is its weight.

What is the other force that completes the force pair according to Newton’s third law of motion?

A.  The pull of the book on Earth

B.  The pull of Earth on the book

C.  The push of the table on the book

D.  The push of the book on the table

[1]

Markscheme

A

Examiners report

The majority of candidates incorrectly selected option C for this question, resulting in a low difficulty index overall. This question highlights a typical misconception relating to Newton's 3rd law, and emphasises the importance of conceptual physics teaching.

Syllabus sections